The Brooklyn Bridge is a hybrid cable-stayed/suspension bridge in New York City, spanning the East River between the boroughs of Manhattan and Brooklyn. Opened on May 24, 1883, the Brooklyn Bridge was the first fixed crossing of the East River. It was also the longest suspension bridge in the world at the time of its opening, with a main span of 1,595.5 feet (486.3m) and a deck 127ft (38.7m) above Mean High Water. The span was originally called the New York and Brooklyn Bridge or the East River Bridge but was officially renamed the Brooklyn Bridge in 1915.
Proposals for a bridge connecting Manhattan and Brooklyn were first made in the early 19th century, which eventually led to the construction of the current span, designed by John A. Roebling. The project's chief engineer, his son Washington Roebling, contributed further design work, assisted by the latter's wife, Emily Warren Roebling. Construction started in 1870 and was overseen by the New York Bridge Company, which in turn was controlled by the Tammany Hall political machine. Numerous controversies and the novelty of the design prolonged the project over thirteen years. After opening, the Brooklyn Bridge underwent several reconfigurations, having carried horse-drawn vehicles and elevated railway lines until 1950. To alleviate increasing traffic flows, additional bridges and tunnels were built across the East River. Following gradual deterioration, the Brooklyn Bridge was renovated several times, including in the 1950s, 1980s, and 2010s.
The Brooklyn Bridge is the southernmost of the four toll-free vehicular bridges connecting Manhattan Island and Long Island, with the Manhattan Bridge, the Williamsburg Bridge, and the Queensboro Bridge to the north. Only passenger vehicles and pedestrian and bicycle traffic are permitted. A major tourist attraction since its opening, the Brooklyn Bridge has become an icon of New York City. Over the years, the bridge has been used as the location of various stunts and performances, as well as several crimes, attacks and vandalism. The Brooklyn Bridge is designated a National Historic Landmark, a New York City landmark, and a National Historic Civil Engineering Landmark.
Description
The Brooklyn Bridge, an early example of a steel-wire suspension bridge,[15][b] uses a hybrid cable-stayed/suspension bridge design, with both vertical and diagonal suspender cables.[16] Its stone towers are neo-Gothic, with characteristic pointed arches.[17] The New York City Department of Transportation (NYCDOT), which maintains the bridge, says that its original paint scheme was "Brooklyn Bridge Tan" and "Silver", but other accounts state that it was originally entirely "Rawlins Red".[18][19]
Deck
An approach ramp to the Brooklyn Bridge, seen from Brooklyn, with Manhattan Bridge (partially hidden by buildings) seen in the background
To provide sufficient clearance for shipping in the East River, the Brooklyn Bridge incorporates long approach viaducts on either end to raise it from low ground on both shores.[7] Including approaches, the Brooklyn Bridge is a total of 6,016 feet (1,834m) long[2][3][4] when measured between the curbs at Park Row in Manhattan and Sands Street in Brooklyn.[4] A separate measurement of 5,989 feet (1,825m) is sometimes given; this is the distance from the curb at Centre Street in Manhattan.[5][6][7]
Suspension span
The main span between the two suspension towers is 1,595.5 feet (486.3m) long and 85 feet (26m) wide.[5][6][8] The bridge "elongates and contracts between the extremes of temperature from 14 to 16 inches".[20] Navigational clearance is 127ft (38.7m) above Mean High Water (MHW).[9] A 1909 Engineering Magazine article said that, at the center of the span, the height above MHW could fluctuate by more than 9 feet (2.7m) due to temperature and traffic loads, while more rigid spans had a lower maximum deflection.[21]
The side spans, between each suspension tower and each side's suspension anchorages, are 930 feet (280m) long.[5][6] At the time of construction, engineers had not yet discovered the aerodynamics of bridge construction, and bridge designs were not tested in wind tunnels. John Roebling designed the Brooklyn Bridge's truss system to be six to eight times as strong as he thought it needed to be. As such, the open truss structure supporting the deck is, by its nature, subject to fewer aerodynamic problems.[22][23] However, due to a supplier's fraudulent substitution of inferior-quality wire in the initial construction, the bridge was reappraised at the time as being only four times as strong as necessary.[22][24]
The main span and side spans are supported by a structure containing trusses that run parallel to the roadway,[25] each of which is 33 feet (10m) deep.[26][27] Originally there were six trusses,[25] but two were removed during a late-1940s renovation.[28][29] The trusses allow the Brooklyn Bridge to hold a total load of 18,700 short tons (16,700 long tons), a design consideration from when it originally carried heavier elevated trains.[7][30] These trusses are held up by suspender ropes, which hang downward from each of the four main cables. Crossbeams run between the trusses at the top, and diagonal and vertical stiffening beams run on the outside and inside of each roadway.[26][27]
An elevated pedestrian-only promenade runs in between the two roadways and 18 feet (5.5m) above them.[31] It typically runs 4 feet (1.2m) below the level of the crossbeams,[32] except at the areas surrounding each tower. Here, the promenade rises to just above the level of the crossbeams, connecting to a balcony that slightly overhangs the two roadways.[33] The path is generally 10 to 17 feet (3.0 to 5.2m) wide.[34][32] The iron railings were produced by Janes & Kirtland, a Bronx iron foundry that also made the United States Capitol dome and the Bow Bridge in Central Park.[35][36]
Approaches
Each of the side spans is reached by an approach ramp. The 971-foot (296m) approach ramp from the Brooklyn side is shorter than the 1,567-foot (478m) approach ramp from the Manhattan side.[6] The approaches are supported by Renaissance-style arches made of masonry; the arch openings themselves were filled with brick walls, with small windows within.[2][37] The approach ramp contains nine arch or iron-girder bridges across side streets in Manhattan and Brooklyn.[38]
Underneath the Manhattan approach, a series of brick slopes or "banks" was developed into a skate park, the Brooklyn Banks, in the late 1980s.[39] The park uses the approach's support pillars as obstacles.[40] In the mid-2010s, the Brooklyn Banks were closed to the public because the area was being used as a storage site during the bridge's renovation.[39] The skateboarding community has attempted to save the banks on multiple occasions; after the city destroyed the smaller banks in the 2000s, the city government agreed to keep the larger banks for skateboarding.[40] When the NYCDOT removed the bricks from the banks in 2020, skateboarders started an online petition.[41] In the 2020s, local resident Rosa Chang advocated for the 9-acre (3.6ha) space under the Manhattan approach to be converted into a recreational area known as Gotham Park.[42] Some of the space under the Manhattan approach reopened in May 2023 as a park called the Arches;[43] this was followed in November 2024 by another 15,000-square-foot (1,400m2) section of parkland.[44]
Cables
View of diagonal stays and vertical suspender cables; the main cables are at top
The Brooklyn Bridge contains four main cables, which descend from the tops of the suspension towers and help support the deck. Two are located to the outside of the bridge's roadways, while two are in the median of the roadways.[7] Each main cable measures 15.75 inches (40.0cm) in diameter and contains 5,282 parallel, galvanized steel wires wrapped closely together in a cylindrical shape.[6][45][46] These wires are bundled in 19 individual strands, with 278 wires to a strand.[45] This was the first use of bundling in a suspension bridge and took several months for workers to tie together.[47] Since the 2000s, the main cables have also supported a series of 24-wattLED lighting fixtures, referred to as "necklace lights" due to their shape.[48]
In addition, either 1,088,[24] 1,096,[49] or 1,520 galvanized steel wire suspender cables hang downward from the main cables.[22] Another 400 cable stays extend diagonally from the towers. The vertical suspender cables and diagonal cable stays hold up the truss structure around the bridge deck.[22][24][49] The bridge's suspenders originally used wire rope, which was replaced in the 1980s with galvanized steel made by Bethlehem Steel.[22][50] The vertical suspender cables measure 8 to 130 feet (2.4 to 39.6m) long, and the diagonal stays measure 138 to 449 feet (42 to 137m) long.[49]
Anchorages
Each side of the bridge contains an anchorage for the main cables. The anchorages are trapezoidal limestone structures located slightly inland of the shore, measuring 129 by 119 feet (39 by 36m) at the base and 117 by 104 feet (36 by 32m) at the top.[5][6] Each anchorage weighs 60,000 short tons (54,000 long tons; 54,000t).[5] The Manhattan anchorage rests on a foundation of bedrock while the Brooklyn anchorage rests on clay.[46]
The anchorages both have four anchor plates, one for each of the main cables, which are located near ground level and parallel to the ground. The anchor plates measure 16 by 17.5 feet (4.9 by 5.3m), with a thickness of 2.5 feet (0.76m) and weigh 46,000 pounds (21,000kg) each. Each anchor plate is connected to the respective main cable by two sets of nine eyebars, each of which is about 12.5 feet (3.8m) long and up to 9 by 3 inches (229 by 76mm) thick.[51][52] The chains of eyebars curve downward from the cables toward the anchor plates, and the eyebars vary in size depending on their position.[c][38]
The anchorages also contain numerous passageways and compartments.[53] Starting in 1876,[54] in order to fund the bridge's maintenance, the New York City government made the large vaults under the bridge's Manhattan anchorage available for rent, and they were in constant use during the early 20th century.[53][55] The vaults were used to store wine, as they were kept at a consistent 60°F (16°C) temperature due to a lack of air circulation.[53] The Manhattan vault was called the "Blue Grotto" because of a shrine to the Virgin Mary next to an opening at the entrance.[55] The vaults were closed for public use in the late 1910s and 1920s during World War I and Prohibition but were reopened thereafter.[54][55] When New York magazine visited one of the cellars in 1978, it discovered a "fading inscription" on a wall reading: "Who loveth not wine, women and song, he remaineth a fool his whole life long."[56][54] Leaks found within the vault's spaces necessitated repairs during the late 1980s and early 1990s.[57] By the late 1990s, the chambers were being used to store maintenance equipment.[53]
Towers
Characteristic pointed arches of the bridge's Gothic Revival suspension towers
The bridge's two suspension towers are 278 feet (85m) tall with a footprint of 140 by 59 feet (43 by 18m) at the high water line.[6][3][7] They are built of limestone, granite, and Rosendale cement. The limestone was quarried at the Clark Quarry in Essex County, New York.[58] The granite blocks were quarried and shaped on Vinalhaven Island, Maine, under a contract with the Bodwell Granite Company, and delivered from Maine to New York by schooner.[59] The Manhattan tower contains 46,945 cubic yards (35,892m3) of masonry, while the Brooklyn tower has 38,214 cubic yards (29,217m3) of masonry.[5][6] There are 56 LED lamps mounted onto the towers.[60]
Each tower contains a pair of Gothic Revival pointed arches, through which the roadways run. The arch openings are 117 feet (36m) tall and 33.75 feet (10.29m) wide.[52][61] The tops of the towers are located 159 feet (48m) above the floor of each arch opening, while the floors of the openings are 119.25 feet (36.35m) above mean water level, giving the towers a total height of 278.25 feet (84.81m) above mean high water.[6][61]
Caissons
The towers rest on underwater caissons made of southern yellow pine and filled with cement.[6] Inside both caissons were spaces for construction workers. The Manhattan side's caisson is slightly larger, measuring 172 by 102 feet (52 by 31m) and located 78.5 feet (23.9m) below high water, while the Brooklyn side's caisson measures 168 by 102 feet (51 by 31m) and is located 44.5 feet (13.6m) below high water. The caissons were designed to hold at least the weight of the towers which would exert a pressure of 5 short tons per square foot (49t/m2) when fully built, but the caissons were over-engineered for safety. During an accident on the Brooklyn side, when air pressure was lost and the partially-built towers dropped full-force down, the caisson sustained an estimated pressure of 23 short tons per square foot (220t/m2) with only minor damage.[6][62] Most of the timber used in the bridge's construction, including in the caissons, came from mills at Gascoigne Bluff on St. Simons Island, Georgia.[63]
The Brooklyn side's caisson, which was built first, originally had a height of 9.5 feet (2.9m) and a ceiling composed of five layers of timber, each layer 1 foot (0.30m) tall. Ten more layers of timber were later added atop the ceiling, and the entire caisson was wrapped in tin and wood for further protection against flooding. The thickness of the caisson's sides was 8 feet (2.4m) at both the bottom and the top. The caisson had six chambers: two each for dredging, supply shafts, and airlocks.[64][5]
The caisson on the Manhattan side was slightly different because it had to be installed at a greater depth. To protect against the increased air pressure at that depth, the Manhattan caisson had 22 layers of timber on its roof, seven more than its Brooklyn counterpart had. The Manhattan caisson also had fifty 4-inch-diameter (10cm) pipes for sand removal, a fireproof iron-boilerplate interior, and different airlocks and communication systems.[52][64][65][66]
History
Planning
Early Brooklyn Bridge tower plan, 1867
Proposals for a bridge between the then-separate cities of Brooklyn and New York had been suggested as early as 1800.[67][47] At the time, the only travel between the two cities was by a number of ferry lines.[67][68] Engineers presented various designs, such as chain or link bridges, though these were never built because of the difficulties of constructing a high enough fixed-span bridge across the extremely busy East River.[67][47] There were also proposals for tunnels under the East River, but these were considered prohibitively expensive.[69] German immigrant engineer John Augustus Roebling proposed building a suspension bridge over the East River in 1857. He had previously designed and constructed shorter suspension bridges, such as Roebling's Delaware Aqueduct in Lackawaxen, Pennsylvania, and the Niagara Suspension Bridge. In 1867, Roebling erected what became the John A. Roebling Suspension Bridge over the Ohio River between Cincinnati, Ohio, and Covington, Kentucky.[70]
In February 1867, the New York State Senate passed a bill that allowed the construction of a suspension bridge from Brooklyn to Manhattan.[71] Two months later, the New York and Brooklyn Bridge Company was incorporated with a board of directors (later converted to a board of trustees).[67][72][73] There were twenty trustees in total: eight each appointed by the mayors of New York and Brooklyn, as well as the mayors of each city and the auditor and comptroller of Brooklyn.[46] The company was tasked with constructing what was then known as the New York and Brooklyn Bridge.[67][72][73] Alternatively, the span was just referred to as the "Brooklyn Bridge", a name originating in a January 25, 1867, letter to the editor sent to the Brooklyn Daily Eagle.[74] The act of incorporation, which became law on April 16, 1867, authorized the cities of New York (now Manhattan) and Brooklyn to subscribe to $5million in capital stock, which would fund the bridge's construction.[69]
Artists' conception, by Currier and Ives, of the bridge while construction was underway, 1872
Roebling was subsequently named the chief engineer of the work and, by September 1867, had presented a master plan.[67][75][76] According to the plan, the bridge would be longer and taller than any suspension bridge previously built.[7] It would incorporate roadways and elevated rail tracks, whose tolls and fares would provide the means to pay for the bridge's construction. It would also include a raised promenade that served as a leisurely pathway.[77] The proposal received much acclaim in both cities, and residents predicted that the New York and Brooklyn Bridge's opening would have as much of an impact as the Suez Canal, the first transatlantic telegraph cable or the first transcontinental railroad. By early 1869, however, some individuals started to criticize the project, saying either that the bridge was too expensive, or that the construction process was too difficult.[78]
To allay concerns about the design of the New York and Brooklyn Bridge, Roebling set up a "Bridge Party" in March 1869, where he invited engineers and members of U.S. Congress to see his other spans.[79] Following the bridge party in April, Roebling and several engineers conducted final surveys. During the process, it was determined that the main span would have to be raised from 130 to 135 feet (40 to 41m) above MHW, requiring several changes to the overall design.[80] In June 1869, while conducting these surveys, Roebling sustained a crush injury to his foot when a ferry pinned it against a piling.[81][82] After amputation of his crushed toes, he developed a tetanus infection that left him incapacitated and resulted in his death the following month. Washington Roebling, John Roebling's 32-year-old son, was then hired to fill his father's role.[83][84]Tammany Hall leader William M. Tweed also became involved in the bridge's construction because, as a major landowner in New York City, he had an interest in the project's completion.[85] The New York and Brooklyn Bridge Company—later known simply as the New York Bridge Company[86]—was actually overseen by Tammany Hall, and it approved Roebling's plans and designated him as chief engineer of the project.[87]
Construction
Caissons
Diagram of the caisson
Construction of the Brooklyn Bridge began on January 2, 1870.[46] The first work entailed the construction of two caissons, upon which the suspension towers would be built.[64][5] The Brooklyn side's caisson was built at the Webb & Bell shipyard in Greenpoint, Brooklyn, and was launched into the river on March 19, 1870.[64][5] Compressed air was pumped into the caisson, and workers entered the space to dig the sediment until it sank to the bedrock. As one sixteen-year-old from Ireland, Frank Harris, described the fearful experience:[88]
The six of us were working naked to the waist in the small iron chamber with the temperature of about 80 degrees Fahrenheit: In five minutes the sweat was pouring from us, and all the while we were standing in icy water that was only kept from rising by the terrific pressure. No wonder the headaches were blinding.[88]
Once the caisson had reached the desired depth, it was to be filled in with vertical brick piers and concrete.[89][90] However, due to the unexpectedly high concentration of large boulders atop the riverbed, the Brooklyn caisson took several months to sink to the desired depth.[90][5] Furthermore, in December 1870, its timber roof caught fire, delaying construction further.[91][92] The "Great Blowout", as the fire was called, delayed construction for several months, since the holes in the caisson had to be repaired.[93] On March 6, 1871, the repairs were finished, and the caisson had reached its final depth of 44.5 feet (13.6m); it was filled with concrete five days later.[93][5] Overall, about 264 individuals were estimated to have worked in the caisson every day, but because of high worker turnover, the final total was thought to be about 2,500 men in total.[94] In spite of this, only a few workers were paralyzed. At its final depth, the caisson's air pressure was 21 pounds per square inch (140kPa).[95]
The Manhattan side's caisson was the next structure to be built. To ensure that it would not catch fire like its counterpart had, the Manhattan caisson was lined with fireproof plate iron.[66] It was launched from Webb & Bell's shipyard on May 11, 1871,[96][52] and maneuvered into place that September.[97][64] Due to the extreme underwater air pressure inside the much deeper Manhattan caisson, many workers became sick with "the bends"—decompression sickness—during this work,[88] despite the incorporation of airlocks (which were believed to help with decompression sickness at the time).[98][99] This condition was unknown at the time and was first called "caisson disease" by the project physician, Andrew Smith.[100][101] Between January 25 and May 31, 1872, Smith treated 110 cases of decompression sickness, while three workers died from the disease.[52] When iron probes underneath the Manhattan caisson found the bedrock to be even deeper than expected, Washington Roebling halted construction due to the increased risk of decompression sickness.[52][102] After the Manhattan caisson reached a depth of 78.5 feet (23.9m) with an air pressure of 35 pounds per square inch (240kPa),[95] Washington deemed the sandy subsoil overlying the bedrock 30 feet (9.1m) beneath to be sufficiently firm, and subsequently infilled the caisson with concrete in July 1872.[52][103]
Washington Roebling himself suffered a paralyzing injury as a result of caisson disease shortly after ground was broken for the Brooklyn tower foundation.[47][104] His debilitating condition left him unable to supervise the construction in person, so he designed the caissons and other equipment from his apartment, directing "the completion of the bridge through a telescope from his bedroom."[88] His wife, Emily Warren Roebling, not only provided written communications between her husband and the engineers on site,[105] but also understood mathematics, calculations of catenary curves, strengths of materials, bridge specifications, and the intricacies of cable construction. She spent the next 11 years helping supervise the bridge's construction,[95][106] taking over much of the chief engineer's duties, including day-to-day supervision and project management.[107]
Towers
View of Manhattan in 1876, showing the Brooklyn Bridge under construction
After the caissons were completed, piers were constructed on top of each of them upon which masonry towers would be built. The towers' construction was a complex process that took four years. Since the masonry blocks were heavy, the builders transported them to the base of the towers using a pulley system with a continuous 1.5-inch (3.8cm)-diameter steel wire rope, operated by steam engines at ground level. The blocks were then carried up on a timber track alongside each tower and maneuvered into the proper position using a derrick atop the towers.[52][108] The blocks sometimes vibrated the ropes because of their weight, but only once did a block fall.[108]
Construction on the suspension towers started in mid-1872, and by the time work was halted for the winter in late 1872, parts of each tower had already been built.[105] By mid-1873, there was substantial progress on the towers' construction. The Brooklyn side's tower had reached a height of 164 feet (50m) above mean high water (MHW), while the tower on the Manhattan side had reached 88 feet (27m) above MHW.[109][110] The arches of the Brooklyn tower were completed by August 1874.[111] The tower was substantially finished by December 1874 with the erection of saddle plates for the main cables at the top of the tower. However, the ornamentation on the Brooklyn tower could not be completed until the Manhattan tower was finished.[112] The last stone on the Brooklyn tower was raised in June 1875 and the Manhattan tower was completed in July 1876.[113] The saddle plates atop both towers were also raised in July 1876.[114] The work was dangerous: by 1876, three workers had died having fallen from the towers, while nine other workers were killed in other accidents.[115]
In 1875, while the towers were being constructed, the project had depleted its original $5million budget. Two bridge commissioners, one each from Brooklyn and Manhattan, petitioned New York state lawmakers to allot another $8million for construction. Ultimately, the legislators passed a law authorizing the allotment with the condition that the cities would buy the stock of Brooklyn Bridge's private stockholders.[116]
Work proceeded concurrently on the anchorages on each side.[117] The Brooklyn anchorage broke ground in January 1873[118][38] and was subsequently substantially completed in August 1875.[119][38] The Manhattan anchorage was built in less time, having started in May 1875, it was mostly completed in July 1876.[120][121] The anchorages could not be fully completed until the main cables were spun, at which point another 6 feet (1.8m) would be added to the height of each 80-foot (24m) anchorage.[122]
Cables
The first temporary wire was stretched between the towers on August 15, 1876,[114][123][124] using chrome steel provided by the Chrome Steel Company of Brooklyn.[114][124] The wire was then stretched back across the river, and the two ends were spliced to form a traveler, a lengthy loop of wire connecting the towers, which was driven by a 30 horsepower (22kW) steam hoisting engine at ground level.[125] The wire was one of two that were used to create a temporary footbridge for workers while cable spinning was ongoing.[126] The next step was to send an engineer across the completed traveler wire in a boatswain's chair slung from the wire, to ensure it was safe enough. The bridge's master mechanic, E.F. Farrington, was selected for this task, and an estimated crowd of 10,000 people on both shores watched him cross.[127][128] A second traveler wire was then stretched across the span, a task that was completed by August 30.[129][126] The temporary footbridge, located some 60 feet (18m) above the elevation of the future deck, was completed in February 1877.[130]
Under construction, c.1872– c.1887
"From Tower to Tower—the suspension bridge over the East River—view from the Brooklyn Tower" (1877)
By December 1876, a steel contract for the permanent cables still had not been awarded.[131] There was disagreement over whether the bridge's cables should use the as-yet-untested Bessemer steel or the well-proven crucible steel.[22][132] Until a permanent contract was awarded, the builders ordered 30 short tons (27 long tons) of wire in the interim, 10 tons each from three companies, including Washington Roebling's own steel mill in Brooklyn.[133] In the end, it was decided to use number 8 Birmingham gauge (approximately 4mm or 0.165 inches in diameter) crucible steel, and a request for bids was distributed, to which eight companies responded.[131] In January 1877, a contract for crucible steel was awarded to J. Lloyd Haigh,[22][134][135] who was associated with bridge trustee Abram Hewitt, whom Roebling distrusted.[24][136]
The spinning of the wires required the manufacture of large coils of it which were galvanized but not oiled when they left the factory. The coils were delivered to a yard near the Brooklyn anchorage. There they were dipped in linseed oil, hoisted to the top of the anchorage, dried out and spliced into a single wire, and finally coated with red zinc for further galvanizing.[137][138] There were thirty-two drums at the anchorage yard, eight for each of the four main cables. Each drum had a capacity of 60,000 feet (18,000m) of wire.[139] The first experimental wire for the main cables was stretched between the towers on May 29, 1877, and spinning began two weeks later.[137] All four main cables were being strung by that July. During that time, the temporary footbridge was unofficially opened to members of the public, who could receive a visitor's pass; by August 1877 several thousand visitors from around the world had used the footbridge.[140] The visitor passes ceased that September after a visitor had an epileptic seizure and nearly fell off.[140][141]
As the wires were being spun, work also commenced on the demolition of buildings on either side of the river for the Brooklyn Bridge's approaches; this work was mostly complete by September 1877.[122] The following month, initial contracts were awarded for the suspender wires, which would hang down from the main cables and support the deck.[141][142] By May 1878, the main cables were more than two-thirds complete.[143] However, the following month, one of the wires slipped, killing two people and injuring three others.[144][145][146] In 1877, Hewitt wrote a letter urging against the use of Bessemer steel in the bridge's construction.[147][148] Bids had been submitted for both crucible steel and Bessemer steel; John A. Roebling's Sons submitted the lowest bid for Bessemer steel,[149] but at Hewitt's direction, the contract was awarded to Haigh.[150][151]
A subsequent investigation discovered that Haigh had substituted inferior quality wire in the cables. Of eighty rings of wire that were tested, only five met standards, and it was estimated that Haigh had earned $300,000 from the deception.[151][152] At this point, it was too late to replace the cables that had already been constructed. Roebling determined that the poorer wire would leave the bridge only four times as strong as necessary, rather than six to eight times as strong. The inferior-quality wire was allowed to remain and 150 extra wires were added to each cable.[22][151][152] To avoid public controversy, Haigh was not fired, but instead was required to personally pay for higher-quality wire.[152][d] The contract for the remaining wire was awarded to the John A. Roebling's Sons, and by October5, 1878, the last of the main cables' wires went over the river.[153]
Nearing completion
Chromolithograph of the "Great East River Suspension Bridge" by Currier and Ives, created in 1883.
Similar view, 2023
After the suspender wires had been placed, workers began erecting steel crossbeams to support the roadway as part of the bridge's overall superstructure.[22] Construction on the bridge's superstructure started in March 1879,[27] but, as with the cables, the trustees initially disagreed on whether the steel superstructure should be made of Bessemer or crucible steel.[154] That July, the trustees decided to award a contract for 500 short tons (450 long tons) of Bessemer steel[155] to the Edgemoor (or Edge Moor) Iron Works, based in Philadelphia, to be delivered by 1880.[155][156][157] The trustees later passed another resolution for another 500 short tons (450 long tons) of Bessemer steel.[155] However, by February 1880 the steel deliveries had not started.[158] That October, the bridge trustees questioned Edgemoor's president about the delay in steel deliveries.[159] Despite Edgemoor's assurances that the contract would be fulfilled, the deliveries still had not been completed by November 1881.[160] Brooklyn mayor Seth Low, who became part of the board of trustees in 1882, became the chairman of a committee tasked to investigate Edgemoor's failure to fulfill the contract. When questioned, Edgemoor's president stated that the delays were the fault of another contractor, the Cambria Iron Company, who was manufacturing the eyebars for the bridge trusses; at that point, the contract was supposed to be complete by October 1882.[161][162]
Further complicating the situation, Washington Roebling had failed to appear at the trustees' meeting in June 1882, since he had gone to Newport, Rhode Island.[161] After the news media discovered this, most of the newspapers called for Roebling to be fired as chief engineer, except for the Daily State Gazette of Trenton, New Jersey, and the Brooklyn Daily Eagle.[163] Some of the longstanding trustees, including Henry C. Murphy, James S. T. Stranahan, and William C. Kingsley, were willing to vouch for Roebling, since construction progress on the Brooklyn Bridge was still ongoing. However, Roebling's behavior was considered suspect among the younger trustees who had joined the board more recently.[163]
Construction on the bridge itself was noted in formal reports that Murphy presented each month to the mayors of New York and Brooklyn. For example, Murphy's report in August 1882 noted that the month's progress included 114 intermediate cords erected within a week, as well as 72 diagonal stays, 60 posts, and numerous floor beams, bridging trusses, and stay bars.[163][164] By early 1883, the Brooklyn Bridge was considered mostly completed and was projected to open that June.[165] Contracts for bridge lighting were awarded by February 1883,[165] and a toll scheme was approved that March.[166]
Opposition
There was substantial opposition to the bridge's construction from shipbuilders and merchants located to the north, who argued that the bridge would not provide sufficient clearance underneath for ships.[167] In May 1876, these groups, led by Abraham Miller, filed a lawsuit in the United States District Court for the Southern District of New York against the cities of New York and Brooklyn.[167][168]
In 1879, an Assembly Sub-Committee on Commerce and Navigation began an investigation into the Brooklyn Bridge. A seaman who had been hired to determine the height of the span, testified to the committee about the difficulties that ship masters would experience in bringing their ships under the bridge when it was completed. Another witness, Edward Wellman Serrell, a civil engineer, said that the calculations of the bridge's assumed strength were incorrect.[169][170] The Supreme Court decided in 1883 that the Brooklyn Bridge was a lawful structure.[171]
Opening
Newspaper headline announcing the Brooklyn Bridge's opening
The New York and Brooklyn Bridge was opened for use on May24, 1883. Thousands of people attended the opening ceremony, and many ships were present in the East River for the occasion.[172] Officially, Emily Warren Roebling was the first to cross the bridge.[173] The bridge opening was also attended by U.S. president Chester A. Arthur and New York mayor Franklin Edson, who crossed the bridge and shook hands with Brooklyn mayor Seth Low at the Brooklyn end.[174] Abram Hewitt gave the principal address.[175][176]
It is not the work of any one man or of any one age. It is the result of the study, of the experience, and of the knowledge of many men in many ages. It is not merely a creation; it is a growth. It stands before us today as the sum and epitome of human knowledge; as the very heir of the ages; as the latest glory of centuries of patient observation, profound study and accumulated skill, gained, step by step, in the never-ending struggle of man to subdue the forces of nature to his control and use.
Though Washington Roebling was unable to attend the ceremony (and rarely visited the site again), he held a celebratory banquet at his house on the day of the bridge opening. Further festivity included the performance by a band, gunfire from ships, and a fireworks display.[174] On that first day, a total of 1,800 vehicles and 150,300 people crossed the span.[173] Less than a week after the Brooklyn Bridge opened, ferry crews reported a sharp drop in patronage, while the bridge's toll operators were processing over a hundred people a minute.[178] However, cross-river ferries continued to operate until 1942.[179]
"Bird's-Eye View of the Great New York and Brooklyn Bridge and Grand Display of Fire Works on Opening Night"
The bridge had cost US$15.5 million in 1883 dollars (about US$490,500,000 in 2023[180]) to build, of which Brooklyn paid two-thirds.[173][46] The bonds to fund the construction would not be paid off until 1956.[181] An estimated 27 men died during its construction.[173][46] Since the New York and Brooklyn Bridge was the only bridge across the East River at that time, it was also called the East River Bridge.[182] Until the construction of the nearby Williamsburg Bridge in 1903, the New York and Brooklyn Bridge was the longest suspension bridge in the world,[183] 20% longer than any built previously.[184]
At the time of opening, the Brooklyn Bridge was not complete; the proposed public transit across the bridge was still being tested, while the Brooklyn approach was being completed.[185] On May30, 1883, six days after the opening, a woman falling down a stairway at the Brooklyn approach caused a stampede which resulted in at least twelve people being crushed and killed.[186][179] In subsequent lawsuits, the Brooklyn Bridge Company was acquitted of negligence.[179] However, the company did install emergency phone boxes and additional railings,[187] and the trustees approved a fireproofing plan for the bridge.[188] Public transit service began with the opening of the New York and Brooklyn Bridge Railway, a cable car service, on September 25, 1883.[179][189][190] On May17, 1884, one of the circus master P. T. Barnum's most famous attractions, Jumbo the elephant, led a parade of 21 elephants over the Brooklyn Bridge. This helped to lessen doubts about the bridge's stability while also promoting Barnum's circus.[8][191][192][193]
1880s to 1910s
Eastward view in 1899The main steel cables of the Brooklyn Bridge are visible on the left side of this photo in 1938.
Patronage across the Brooklyn Bridge increased in the years after it opened; a million people paid to cross in the six first months. The bridge carried 8.5million people in 1884, its first full year of operation; this number doubled to 17million in 1885 and again to 34million in 1889.[46] Many of these people were cable car passengers.[194] Additionally, about 4.5million pedestrians a year were crossing the bridge for free by 1892.[195]
The first proposal to make changes to the bridge was sent in only two and a half years after it opened, when Linda Gilbert suggested glass steam-powered elevators and an observatory be added to the bridge and a fee charged for use, which would in part fund the bridge's upkeep and in part fund her prison reform charity.[196] This proposal was considered but not acted upon. Numerous other proposals were made during the first fifty years of the bridge's life.[196]Trolley tracks were added in the center lanes of both roadways in 1898, allowing trolleys to use the bridge as well. That year, the formerly separate City of Brooklyn was unified with New York City, and the Brooklyn Bridge fell under city control.[197][198]
Concerns about the Brooklyn Bridge's safety were raised during the turn of the century. In 1898, traffic backups due to a dead horse caused one of the truss cords to buckle.[199] There were more significant worries after twelve suspender cables snapped in 1901,[8][200][201] though a thorough investigation found no other defects.[202] After the 1901 incident, five inspectors were hired to examine the bridge each day, a service that cost $250,000 a year.[203] The Brooklyn Rapid Transit Company, which operated routes across the Brooklyn Bridge, issued a notice in 1905 saying that the bridge had reached its transit capacity.[8]
By 1890, due to the popularity of the Brooklyn Bridge, there were proposals to construct other bridges across the East River between Manhattan and Long Island.[204] Although a second deck for the Brooklyn Bridge was proposed, it was thought to be infeasible because doing so would overload the bridge's structural capacity.[199] The first new bridge across the East River, the Williamsburg Bridge, opened upstream in 1903 and connected Williamsburg, Brooklyn, with the Lower East Side of Manhattan.[205] This was followed by the Queensboro Bridge between Queens and Manhattan in March 1909,[206] and the Manhattan Bridge between Brooklyn and Manhattan in December 1909.[207] Several subway, railroad, and road tunnels were also constructed, which helped to accelerate the development of Manhattan, Brooklyn, and Queens.[208][68]
1910s to 1940s
Though carriages and cable-car customers had paid tolls ever since the bridge's opening, pedestrians were spared from the tolls originally.[166] By the first decade of the 20th century, pedestrians were also paying tolls.[209] Tolls on all four bridges across the East River—the Brooklyn Bridge, as well as the Manhattan, Williamsburg, and Queensboro bridges to the north—were abolished in July 1911 as part of a populist policy initiative headed by New York City mayor William Jay Gaynor.[210][211] The city government passed a bill to officially name the structure the "Brooklyn Bridge" in January 1915.[212]
Ostensibly in an attempt to reduce traffic on nearby city streets, Grover Whalen, the commissioner of Plant and Structures, banned motor vehicles from the Brooklyn Bridge in July 1922.[213] The real reason for the ban was an incident the same year where two cables slipped due to high traffic loads.[8][214] Both Whalen and Roebling called for the renovation of the Brooklyn Bridge and the construction of a parallel bridge, though the parallel bridge was never built.[8][214][215] Whalen's successor William Wirt Mills announced in 1924 that a new wood-block pavement would be installed, permitting motor vehicles to use the bridge again;[216][217] motor traffic was again allowed on the bridge starting on May 12, 1925.[218][219]
As part of an experiment, starting in November 1946, the Manhattan-bound roadway carried Brooklyn-bound traffic during the evening rush hours. The experiment ended after two months due to complaints about congestion.[220]
Mid- to late 20th century
Upgrades
Ramp from the Brooklyn Bridge to FDR Drive (pictured in 2008), completed c. 1969
The first major upgrade to the Brooklyn Bridge commenced in 1948, when a contract to entirely reconstruct the approach ramps was awarded to David B. Steinman.[221][222] The renovation was expected to double the capacity of the bridge's roadways to nearly 6,000 cars per hour,[221] at a projected cost of $7million.[28] The renovation included the demolition of both the elevated and the trolley tracks on the roadways, the removal of trusses separating the inner elevated tracks from the existing vehicle lanes and the widening of each roadway from two to three lanes,[28][29] as well as the construction of a new steel-and-concrete floor.[223] In addition, new ramps were added to Adams Street, Cadman Plaza, and the Brooklyn Queens Expressway (BQE) on the Brooklyn side, and to Park Row on the Manhattan side.[224] The bridge was briefly closed to all traffic for the first time ever in January 1950,[225] and the trolley tracks closed that March to allow the widening work to occur.[226][227] During the construction project, one roadway at a time was closed, allowing reduced traffic flows to cross the bridge in one direction only.[228]
The widened south roadway was completed in May 1951,[229] followed by the north roadway in October 1953.[230] The restoration was finished in May 1954 with the completion of the reconstructed elevated promenade.[231][228] While the rebuilding of the span was ongoing, a fallout shelter was constructed beneath the Manhattan approach in anticipation of the Cold War. The abandoned space in one of the masonry arches was stocked with emergency survival supplies for a potential nuclear attack by the Soviet Union; these supplies remained in place half a century later.[232] In addition, defensive barriers were added to the bridge as a safeguard against sabotage.[233]
Simultaneous with the rebuilding of the Brooklyn Bridge, a double-decked viaduct for the BQE was being built through an existing steel overpass of the bridge's Brooklyn approach ramp.[234] The segment of the BQE from Brooklyn Bridge south to Atlantic Avenue opened in June 1954,[235] but the direct ramp from the northbound BQE to the Manhattan-bound Brooklyn Bridge did not open until 1959.[236] The city also widened the Adams Street approach in Brooklyn, between the bridge and Fulton Street, from 60 to 160 feet (18 to 49m) between 1954 and 1955.[237][238] Subsequently, Boerum Place from Fulton Street south to Atlantic Avenue was also widened.[239] This required the demolition of the old Kings County courthouse.[240] The towers were cleaned in 1958[241] and the Brooklyn anchorage was repaired the next year.[242]
On the Manhattan side, the city approved a controversial rebuilding of the Manhattan entrance plaza in 1953. The project, which would add a grade-separated junction over Park Row, was hotly contested because it would require the demolition of 21 structures, including the old New York World Building.[243] The reconstruction also necessitated the relocation of 410 families on Park Row.[244] In December 1956, the city started a two-year renovation of the plaza. This required the closure of one roadway at a time, as was done during the rebuilding of the bridge itself.[245] Work on redeveloping the area around the Manhattan approach started in the mid-1960s.[246] At the same time, plans were announced for direct ramps to the FDR Drive elevated highway to alleviate congestion at the approach.[247] The ramp from the FDR Drive to the Brooklyn Bridge was opened in 1968,[248] followed by the ramp from the bridge to the FDR Drive the next year.[249] A single ramp from the Manhattan-bound Brooklyn Bridge to northbound Park Row was constructed in 1970.[250] A repainting of the bridge was announced two years later in advance of its 90th anniversary.[251]
Deterioration and late-20th century repair
The Brooklyn Bridge formerly had steps up to the promenade from the Brooklyn approach (seen here in 1982).
The Brooklyn Bridge gradually deteriorated due to age and neglect. While it had 200 full-time dedicated maintenance workers before World War II, that number dropped to five by the late 20th century, and the city as a whole only had 160 bridge maintenance workers.[252] In 1974, heavy vehicles such as vans and buses were banned from the bridge to prevent further erosion of the concrete roadway.[253] A report in The New York Times four years later noted that the cables were visibly fraying and the pedestrian promenade had holes in it.[254] The city began planning to replace all the Brooklyn Bridge's cables at a cost of $115million, as part of a larger project to renovate all four toll-free East River spans.[255] By 1980, the Brooklyn Bridge was in such dire condition that it faced imminent closure. In some places, half of the strands in the cables were broken.[256]
In June 1981, two of the diagonal stay cables snapped,[257] killing a pedestrian.[258][24] Subsequently, the anchorages were found to have developed rust,[258] and an emergency cable repair was necessitated less than a month later after another cable developed slack.[259] Following the incident, the city accelerated the timetable of its proposed cable replacement,[255] and it commenced a $153million rehabilitation of the Brooklyn Bridge in advance of the 100th anniversary. As part of the project, the bridge's original suspender cables installed by J. Lloyd Haigh were replaced by Bethlehem Steel in 1986, marking the cables' first replacement since construction.[24][50] In addition, the staircase at Washington Street in Brooklyn was renovated,[260] the stairs from Tillary and Adams Streets were replaced with a ramp, and the short flights of steps from the promenade to each tower's balcony were removed.[261] In a smaller project, the bridge was floodlit at night starting in 1982 to highlight its architectural features.[262]
Additional problems persisted, and in 1993, high levels of lead were discovered near the bridge's towers.[263] Further emergency repairs were undertaken in mid-1999 after small concrete shards began falling from the bridge into the East River. The concrete deck had been installed during the 1950s renovations and had a lifespan of about 60 years.[264][265] The Park Row exit from the bridge's westbound lanes was closed as a safety measure after the September11, 2001, attacks on the nearby World Trade Center. That section of Park Row had been closed off since it ran right underneath 1 Police Plaza, the headquarters of the New York City Police Department (NYPD).[266] In early 2003, to save money on electricity, the NYCDOT turned off the bridge's "necklace lights" at night.[267] They were turned back on later that year after several private entities made donations to fund the lights.[268]
21st century
In 2004, before renovation
Renovation in progress
In 2022, after renovation
After the 2007 collapse of the I-35W bridge in Minneapolis, public attention focused on the condition of bridges across the U.S. The New York Times reported that the Brooklyn Bridge approach ramps had received a "poor" rating during an inspection in 2007.[269] However, a NYCDOT spokesman said that the poor rating did not indicate a dangerous state but rather implied it required renovation.[270] In 2010, the NYCDOT began renovating the approaches and deck, as well as repainting the suspension span.[271][272] Work included widening two approach ramps from one to two lanes by re-striping a new prefabricated ramp; raising clearance over the eastbound BQE at York Street; seismic retrofitting; replacement of rusted railings and safety barriers; and road deck resurfacing.[273] The work necessitated detours for four years.[274] At the time, the project was scheduled to be completed in 2014;[271] but completion was later delayed to 2015,[275] then again to 2017.[276] The project's cost also increased from $508million in 2010[271] to $811million in 2016.[276]
In August 2016, the NYCDOT announced that it would conduct a seven-month, $370,000 study to verify if the bridge could support a heavier upper deck that consisted of an expanded bicycle and pedestrian path. By then, about 10,000 pedestrians and 3,500 cyclists used the pathway on an average weekday.[277] Work on the pedestrian entrance on the Brooklyn side was underway by 2017.[278] The NYCDOT also indicated in 2016 that it planned to reinforce the Brooklyn Bridge's foundations to prevent it from sinking, as well as repair the masonry arches on the approach ramps, which had been damaged by Hurricane Sandy four years earlier.[279] In July 2018, the New York City Landmarks Preservation Commission approved a further renovation of the Brooklyn Bridge's suspension towers and approach ramps.[280] That December, the federal government gave the city $25million in funding, which would pay for a $337million rehabilitation of the bridge approaches and the suspension towers.[281] Work started in late 2019 and was scheduled to be completed in four years.[282] This restoration included removing bricks from the arches and putting fresh concrete behind them, using mortar from the same upstate quarries as the original mortar. The granite arches were also cleaned, revealing the original gray color of the stone, which had long been hidden by grime.[283] Additionally, 56 LED lamps were installed on the bridge at a cost of $2.4 million.[60]
In early 2020, City Council speaker Corey Johnson and the nonprofit Van Alen Institute hosted an international contest to solicit plans for the redesign of the bridge's walkway.[284][285] Ultimately, in January 2021, the city decided to install a two-way protected bike path on the Manhattan-bound roadway, replacing the leftmost vehicular lane. The bike lane would allow the existing promenade to be used exclusively by pedestrians.[286][287] Work on the bike lane started in June 2021,[288][289] and the new path was completed on September 14, 2021.[290][291] Despite the addition of the bike path, the bridge's walkway was still frequently overcrowded,[292] prompting the city to propose in mid-2023 that street vendors be banned from the bridge and others citywide.[293] All vendors were banned from the bridge at the beginning of January 2024.[294] The same month, the bridge's new LED lights were illuminated for the first time.[60] A plan for congestion pricing in New York City was approved in mid-2023,[295] allowing the Metropolitan Transportation Authority to toll drivers who use the Brooklyn Bridge and then travel on local streets.[296]As of November 2024[update], congestion pricing was scheduled to be implemented in January 2025;[297] if congestion pricing is implemented, most traffic to and from the FDR Drive would be exempt from the toll.[296][e]
Usage
Diagram of the pedestrian and former cycle path above and between the roadways (not to scale), prior to the new cycle path opening in 2021
Vehicular traffic
Horse-drawn carriages have been allowed to use the Brooklyn Bridge's roadways since its opening. Originally, each of the two roadways carried two lanes of a different direction of traffic.[6] The lanes were relatively narrow at only 8 feet (2.4m) wide.[231] In July 1922, motor vehicles were banned from the bridge;[213] the ban lasted until May 1925.[218][219]
After 1950, the main roadway carried six lanes of automobile traffic, three in each direction.[227] It was then reduced to five lanes with the addition of a two-way bike lane on the Manhattan-bound side in 2021.[298][299] Because of the roadway's height (11ft (3.4m) posted) and weight (6,000lb (2,700kg) posted) restrictions, commercial vehicles and buses are prohibited from using the Brooklyn Bridge.[300] The weight restrictions prohibit heavy passenger vehicles such as pickup trucks and SUVs from using the bridge, though this is not often enforced in practice.[301]
On the Brooklyn side, vehicles can enter the bridge from Tillary/Adams Streets to the south, Sands/Pearl Streets to the west, and exit 28B of the eastbound Brooklyn-Queens Expressway. In Manhattan, cars can enter from both the northbound and southbound FDR Drive, as well as Park Row to the west, Chambers/Centre Streets to the north, and Pearl Street to the south.[302] However, the exit from the bridge to northbound Park Row was closed after the September 11 attacks because of increased security concerns: that section of Park Row ran under One Police Plaza, the NYPD headquarters.[266]
Exit list
Vehicular access to the bridge is provided by a complex series of ramps on both sides of the bridge. There are two entrances to the bridge's pedestrian promenade on either side.[302] The current configuration was constructed from the mid-1950s up until the early 1970s. After 9/11, the ramp onto Park Row was restricted to public traffic, there are no plans to reopen it.[266]
Formerly, rail traffic operated on the Brooklyn Bridge as well. Cable cars and elevated railroads used the bridge until 1944, while trolleys ran until 1950.[226][227]
The New York and Brooklyn Bridge Railway, a cable car service, began operating on September25, 1883; it ran on the inner lanes of the bridge, between terminals at the Manhattan and Brooklyn ends.[189][190] Since Washington Roebling believed that steam locomotives would put excessive loads upon the structure of the Brooklyn Bridge, the cable car line was designed as a steam/cable-hauled hybrid. They were powered from a generating station under the Brooklyn approach. The cable cars could not only regulate their speed on the 3+3⁄4% upward and downward approaches, but also maintain a constant interval between each other. There were 24 cable cars in total.[303]
Initially, the service ran with single-car trains, but patronage soon grew so much that by October 1883, two-car trains were in use. The line carried three million people in the first six months, nine million in 1884, and nearly 20million in 1885 following the opening of the Brooklyn Union Elevated Railroad. Accordingly, the track layout was rearranged and more trains were ordered.[179][304] At the same time, there were highly controversial plans to extend the elevated railroads onto the Brooklyn Bridge, under the pretext of extending the bridge itself.[305] After disputes, the trustees agreed to build two elevated routes to the bridge on the Brooklyn side.[306] Patronage continued to increase, and in 1888, the tracks were lengthened and even more cars were constructed to allow for four-car cable car trains.[194] Electric wires for the trolleys were added by 1895, allowing for the potential future decommissioning of the steam/cable system.[307] The terminals were rebuilt once more in July 1895, and, following the implementation of new electric cars in late 1896, the steam engines were dismantled and sold.[308]
Following the unification of the cities of New York and Brooklyn in 1898, the New York and Brooklyn Bridge Railway ceased to be a separate entity that June and the Brooklyn Rapid Transit Company (BRT) assumed control of the line. The BRT started running through-services of elevated trains, which ran from Park Row Terminal in Manhattan to points in Brooklyn via the Sands Street station on the Brooklyn side. Before reaching Sands Street (at Tillary Street for Fulton Street Line trains, and at Bridge Street for Fifth Avenue Line and Myrtle Avenue Line trains), elevated trains bound for Manhattan were uncoupled from their steam locomotives. The elevated trains were then coupled to the cable cars, which would pull the passenger carriages across the bridge.[309]
The BRT did not run any elevated train through services from 1899 to 1901. Due to increased patronage after the opening of the Interborough Rapid Transit Company (IRT)'s first subway line, the Park Row station was rebuilt in 1906.[310] In the early 20th century, there were plans for Brooklyn Bridge elevated trains to run underground to the BRT's proposed Chambers Street station in Manhattan,[311] though the connection was never opened.[312][313] The overpass across William Street was closed in 1913 to make way for the proposed connection. In 1929, the overpass was reopened after it became clear that the connection would not be built.[314]
After the IRT's Joralemon Street Tunnel and the Williamsburg Bridge tracks opened in 1908, the Brooklyn Bridge no longer held a monopoly on rail service between Manhattan and Brooklyn, and cable service ceased.[313] New subway lines from the IRT and from the BRT's successor Brooklyn–Manhattan Transit Corporation (BMT), built in the 1910s and 1920s, posed significant competition to the Brooklyn Bridge rail services. With the opening of the Independent Subway System in 1932 and the subsequent unification of all three companies into a single entity in 1940, the elevated services started to decline, and the Park Row and Sands Street stations were greatly reduced in size. The Fifth Avenue and Fulton Street services across the Brooklyn Bridge were discontinued in 1940 and 1941 respectively, and the elevated tracks were abandoned permanently with the withdrawal of Myrtle Avenue services in 1944.[226]
A plan for trolley service across the Brooklyn Bridge was presented in 1895.[315] Two years later, the Brooklyn Bridge trustees agreed to a plan where trolleys could run across the bridge under ten-year contracts.[316] Trolley service, which began in 1898, ran on what are now the two middle lanes of each roadway (shared with other traffic).[197][198] When cable service was withdrawn in 1908, the trolley tracks on the Brooklyn side were rebuilt to alleviate congestion.[313] Trolley service on the middle lanes continued until the elevated lines stopped using the bridge in 1944, when they moved to the protected center tracks. On March5, 1950, the streetcars also stopped running, and the bridge was redesigned exclusively for automobile traffic.[226][227]
Walkway
The Brooklyn Bridge's elevated pedestrian promenade, near one of the "pinch points" where the cables descend below the height of the girdersBrooklyn Bridge with Freedom Tower and 8 Spruce Street in the background
The Brooklyn Bridge has an elevated promenade open to pedestrians in the center of the bridge, located 18 feet (5.5m) above the automobile lanes.[31] The promenade is usually located 4 feet (1.2m) below the height of the girders, except at the approach ramps leading to each tower's balcony.[32] The path is generally 10 to 17 feet (3.0 to 5.2m) wide,[34][32] though this is constrained by obstacles such as protruding cables, benches, and stairways, which create "pinch points" at certain locations.[317] The path narrows to 10 feet (3.0m) at the locations where the main cables descend to the level of the promenade. Further exacerbating the situation, these "pinch points" are some of the most popular places to take pictures.[318] As a result, in 2016, the NYCDOT announced that it planned to double the promenade's width.[34][277]
A center line was painted to separate cyclists from pedestrians in 1971, creating one of the city's first dedicated bike lanes.[319] Initially, the northern side of the promenade was used by pedestrians and the southern side by cyclists. In 2000, these were swapped, with cyclists taking the northern side and pedestrians taking the southern side.[320] On September 14, 2021, the DOT closed off the inner-most car lane on the Manhattan-bound side with protective barriers and fencing to create a new bike path. Cyclists are now prohibited from the upper pedestrian lane.[321]
Pedestrian access to the bridge from the Brooklyn side is from either the median of Adams Street at its intersection with Tillary Street or a staircase near Prospect Street between Cadman Plaza East and West. In Manhattan, the pedestrian walkway is accessible from crosswalks at the intersection of the bridge and Centre Street, or through a staircase leading to Park Row.[302][322]
Emergency use
While the bridge has always permitted the passage of pedestrians, the promenade facilitates movement when other means of crossing the East River have become unavailable. During transit strikes by the Transport Workers Union in 1980 and 2005, people commuting to work used the bridge; they were joined by Mayors Ed Koch and Michael Bloomberg, who crossed as a gesture to the affected public.[323][324] Pedestrians also walked across the bridge as an alternative to suspended subway services following the 1965,[325]1977,[326] and 2003blackouts,[327] and after the September 11 attacks.[328]
During the 2003 blackouts, many crossing the bridge reported a swaying motion.[329] The higher-than-usual pedestrian load caused this swaying, which was amplified by the tendency of pedestrians to synchronize their footfalls with a sway.[330] Several engineers expressed concern about how this would affect the bridge, although others noted that the bridge did withstand the event and that the redundancies in its design—the inclusion of the three support systems (suspension system, diagonal stay system, and stiffening truss)—make it "probably the best secured bridge against such movements going out of control".[329] In designing the bridge, John Roebling had stated that the bridge would sag but not fall, even if one of these structural systems were to fail altogether.[77]
There have been several notable jumpers from the Brooklyn Bridge. The first person was Robert Emmet Odlum, brother of women's rights activist Charlotte Odlum Smith, on May19, 1885.[331][332] He struck the water at an angle and died shortly afterwards from internal injuries.[333]Steve Brodie supposedly dropped from underneath the bridge in July 1886 and was briefly arrested for it, though there is some doubt about whether he actually jumped.[334][193]Larry Donovan made a slightly higher jump from the railing a month afterward.[193] The first known person to jump from the bridge with the intention of suicide was Francis McCarey in 1892.[193] A lesser known early jumper was James Duffy of County Cavan, Ireland, who on April15, 1895, asked several men to watch him jump from the bridge. Duffy jumped and was not seen again.[335] Additionally, the cartoonist Otto Eppers jumped and survived in 1910, and was then tried and acquitted for attempted suicide.[336] The Brooklyn Bridge has since developed a reputation as a suicide bridge due to the number of jumpers who do so intending to kill themselves, though exact statistics are difficult to find.[337]
Other notable feats have taken place on or near the bridge. In 1919, Giorgio Pessi piloted what was then one of the world's largest airplanes, the Caproni Ca.5, under the bridge.[338] In 1993, bridge jumper Thierry Devaux illegally performed eight acrobatic bungee jumps above the East River close to the Brooklyn tower.[339]
Crimes and terrorism
A police training exercise on the bridge
On March1, 1994, Lebanese-born Rashid Baz opened fire on a van carrying members of the Chabad-LubavitchOrthodox Jewish Movement, striking 16-year-old student Ari Halberstam and three others traveling on the bridge.[340] Halberstam died five days later from his wounds, and Baz was later convicted of murder. He was apparently acting out of revenge for the Hebron massacre of Palestinian Muslims a few days prior to the incident.[341] After initially classifying the killing as one committed out of road rage, the Justice Department reclassified the case in 2000 as a terrorist attack.[342] The entrance ramp to the bridge on the Manhattan side was dedicated as the Ari Halberstam Memorial Ramp in 1995.[343][344]
Several potential attacks or disasters have also been averted. In 1979, police disarmed a stick of dynamite placed under the Brooklyn approach,[345] and an artist in Manhattan was arrested that year after another bombing attempt.[346] In 2003, truck driver Iyman Faris was sentenced to about 20 years in prison for providing material support to Al-Qaeda, after an earlier plot to destroy the bridge by cutting through its support wires with blowtorches was thwarted.[347]
Arrests
At 9:00a.m. on May19, 1977, artist Jack Bashkow climbed one of the towers for Bridging, a "media sculpture" by the performance group Art Corporation of America Inc. Seven artists climbed the largest bridges connected to Manhattan "to replace violence and fear in mass media for one day". When each of the artists had reached the tops of the bridges, they ignited bright-yellow flares at the same moment, resulting in rush hour traffic disruption, media attention, and the arrest of the climbers, though the charges were later dropped. Called "the first social-sculpture to use mass-media as art" by conceptual artist Joseph Beuys,[348] the event was on the cover of the New York Post, received international attention, and received ABC Eyewitness News' 1977 Best News of the Year award.[349]John Halpern documented the incident in the film Bridging, 1977. Halpern attempted another "bridging" "social sculpture" in 1979, when he planted a radio receiver, gunpowder and fireworks in a bucket atop one of the towers.[350] The piece was later discovered by police, leading to his arrest for possessing a bomb.[351]
On October 1, 2011, more than 700 protesters with the Occupy Wall Street movement were arrested while attempting to march across the bridge on the roadway.[352] Protesters disputed the police account of the events and claimed that the arrests were the result of being trapped on the bridge by the NYPD.[353] The majority of the arrests were subsequently dismissed.[354]
On July22, 2014, the two American flags on the flagpoles atop each tower were found to have been replaced by bleached-white American flags.[355][356] Initially, cannabis activism was suspected as a motive,[357][358] but on August12, 2014, two Berlin artists claimed responsibility for hoisting the two white flags, having switched out the original flags with their replicas. The artists said that the flags were meant to celebrate "the beauty of public space" and the anniversary of the death of German-born John Roebling, and they denied that it was an "anti-American statement".[359][360][361]
Anniversary celebrations
Brooklyn Bridge seen from One World Trade Center Skypod
The 50th-anniversary celebrations on May24, 1933, included a ceremony featuring an airplane show, ships, and fireworks,[362] as well as a banquet.[363] During the centennial celebrations on May24, 1983, a flotilla of ships visited the harbor, officials held parades,[364][365] and Grucci Fireworks held a fireworks display that evening.[366][365] For the centennial, the Brooklyn Museum exhibited a selection of the original drawings made for the bridge's construction, including those by Washington Roebling.[367] Media coverage of the centennial was declared "the public relations triumph of 1983" by Inc.[368]
The 125th anniversary of the bridge's opening was celebrated by a five-day event on May22–26, 2008, which included a live performance by the Brooklyn Philharmonic, a special lighting of the bridge's towers, and a fireworks display.[369] Other events included a film series, historical walking tours, information tents, a series of lectures and readings, a bicycle tour of Brooklyn, a miniature golf course featuring Brooklyn icons, and other musical and dance performances.[370] Just before the anniversary celebrations, artist Paul St George installed the Telectroscope, a video link on the Brooklyn side of the bridge that connected to a matching device on London's Tower Bridge.[371] A renovated pedestrian connection to Dumbo, Brooklyn, was also reopened before the anniversary celebrations.[372]
Impact
At the time of construction, contemporaries marveled at what technology was capable of, and the bridge became a symbol of the era's optimism. John Perry Barlow wrote in the late 20th century of the "literal and genuinely religious leap of faith" embodied in the bridge's construction, saying that the "Brooklyn Bridge required of its builders faith in their ability to control technology".[373]
Historical designations and plaques
Brooklyn Bridge plaques
Dedication and renovation plaque, at Manhattan tower
A bronze plaque is attached to the Manhattan anchorage, which was constructed on the site of the Samuel Osgood House at 1Cherry Street in Manhattan. Named after Samuel Osgood, a Massachusetts politician and lawyer, it was built in 1770 and served as the first U.S. presidential mansion.[378] The Osgood House was demolished in 1856.[379]
Another plaque on the Manhattan side of the pedestrian promenade, installed by the city in 1975, indicates the bridge's status as a city landmark.[380][381]
Culture
The Brooklyn Bridge has had an impact on idiomatic American English. For example, references to "selling the Brooklyn Bridge" are frequent in American culture, sometimes presented as a historical reality but more often as an expression meaning an idea that strains credulity. George C. Parker and William McCloundy were two early 20th-century con men who may have perpetrated this scam successfully, particularly on new immigrants,[382] although the author of The Brooklyn Bridge: A Cultural History wrote, "No evidence exists that the bridge has ever been sold to a 'gullible outlander'".[383]
Love locks on the Brooklyn Bridge
As a tourist attraction, the Brooklyn Bridge is a popular site for clusters of love locks, wherein a couple inscribes a date and their initials onto a lock, attach it to the bridge, and throw the key into the water as a sign of their love. The practice is illegal in New York City and the NYPD can give violators a $100 fine. NYCDOT workers periodically remove the love locks from the bridge at a cost of $100,000 per year.[384][385][386]
To highlight the Brooklyn Bridge's cultural status, the city proposed building a Brooklyn Bridge museum near the bridge's Brooklyn end in the 1970s.[387] Though the museum was ultimately not constructed, as many as 10,000 drawings and documents relating to it were found in a carpenter shop in Williamsburg in 1976.[388] These documents were given to the New York City Municipal Archives, where they are normally located,[389] though a selection of them were displayed at the Whitney Museum of American Art when they were discovered.[388]
Media
The bridge is often featured in wide shots of the New York City skyline in television and film and has been depicted in numerous works of art.[390] Fictional works have used the Brooklyn Bridge as a setting; for instance, the dedication of a portion of the bridge, and the bridge itself, were key components in the 2001 film Kate & Leopold.[391] Furthermore, the Brooklyn Bridge has also served as an icon of America, with mentions in numerous songs, books, and poems.[392] Among the most notable of these works is that of American Modernist poet Hart Crane, who used the Brooklyn Bridge as a central metaphor and organizing structure for his second book of poetry, The Bridge (1930).[392][393]
The Brooklyn Bridge has also been lauded for its architecture. One of the first positive reviews was "The Bridge As A Monument", a Harper's Weekly piece written by architecture critic Montgomery Schuyler and published a week after the bridge's opening. In the piece, Schuyler wrote: "It so happens that the work which is likely to be our most durable monument, and to convey some knowledge of us to the most remote posterity, is a work of bare utility; not a shrine, not a fortress, not a palace, but a bridge."[394] Architecture critic Lewis Mumford cited the piece as the impetus for serious architectural criticism in the U.S.[392] He wrote that in the 1920s the bridge was a source of "joy and inspiration" in his childhood,[395] and that it was a profound influence in his adolescence.[396] Later critics would regard the Brooklyn Bridge as a work of art, as opposed to an engineering feat or a means of transport.[395] Not all critics appreciated the bridge, however. Henry James, writing in the early 20th century, cited the bridge as an ominous symbol of the city's transformation into a "steel-souled machine room".[395][397]
The Brooklyn Bridge with Manhattan in the background, seen at daytime from Brooklyn in 2017
The same view at night in 2008
A comparison of the side elevation of the Brooklyn Bridge to the side elevations of some of the most notable bridges around the world on the same scale (click for interactive version)
The Queensboro Bridge, officially the Ed Koch Queensboro Bridge, is a cantilever bridge over the East River in New York City. Completed in 1909, it connects the Long Island City neighborhood in the borough of Queens with the East Midtown and Upper East Side neighborhoods in Manhattan, passing over Roosevelt Island. Because the western end of the bridge connects to 59th Street in Manhattan, it is also called the 59th Street Bridge. The bridge consists of five steel spans measuring 3,725 ft (1,135 m) long; including approaches, its total length is 7,449 ft (2,270 m).
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The George Washington Bridge is a double-decked suspension bridge spanning the Hudson River, connecting Fort Lee in Bergen County, New Jersey, with the Washington Heights neighborhood of Manhattan, New York City. It is named after George Washington, a United States founding father and the country's first president. The George Washington Bridge is the world's busiest motor vehicle bridge, carrying a traffic volume of over 104million vehicles in 2019, and is the world's only suspension bridge with 14 vehicular lanes.
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The Hell Gate Bridge is a railroad bridge in New York City, New York, United States. The bridge carries two tracks of Amtrak's Northeast Corridor and one freight track between Astoria, Queens, and Port Morris, Bronx, via Randalls and Wards Islands. Its main span is a 1,017-foot (310 m) steel through arch across Hell Gate, a strait of the East River that separates Wards Island from Queens. The bridge also includes several approach viaducts and two spans across smaller waterways. Including approaches, the bridge is 17,000 feet (5,200 m) long. It is one of the few rail connections from Long Island, of which Queens is part, to the rest of the United States.
The Manhattan Bridge is a suspension bridge that crosses the East River in New York City, connecting Lower Manhattan at Canal Street with Downtown Brooklyn at the Flatbush Avenue Extension. Designed by Leon Moisseiff and built by the Phoenix Bridge Company, the bridge has a total length of 6,855 ft (2,089 m). It is one of four toll-free vehicular bridges connecting Manhattan Island to Long Island; the nearby Brooklyn Bridge is just slightly farther west, while the Queensboro and Williamsburg bridges are to the north.
The Hugh L. Carey Tunnel, commonly referred to as the Brooklyn–Battery Tunnel, Battery Tunnel or Battery Park Tunnel, is a tolled tunnel in New York City that connects Red Hook in Brooklyn with the Battery in Manhattan. The tunnel consists of twin tubes that each carry two traffic lanes under the mouth of the East River. Although it passes just offshore of Governors Island, the tunnel does not provide vehicular access to the island. With a length of 9,117 feet (2,779 m), it is the longest continuous underwater vehicular tunnel in North America.
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The Williamsburg Bridge is a suspension bridge across the East River in New York City, connecting the Lower East Side of Manhattan with the Williamsburg neighborhood of Brooklyn. Originally known as the East River Bridge, the Williamsburg Bridge was completed in 1903 and, at 7,308 feet (2,227 m) long, was the longest suspension bridge span in the world until 1924.
The Bronx–Whitestone Bridge is a suspension bridge in New York City, carrying six lanes of Interstate 678 over the East River. The bridge connects Throggs Neck and Ferry Point Park in the Bronx, on the East River's northern shore, with the Whitestone neighborhood of Queens on the southern shore.
Emily Warren Roebling was an engineer known for her contributions over a period of more than 10 years to the completion of the Brooklyn Bridge after her husband Washington Roebling developed caisson disease and became bedridden. She served as a liaison and supervisor of construction through communicating between her husband and on-site personnel. Her husband was the chief engineer during construction of the Brooklyn Bridge, which had been designed by his late father, John A. Roebling.
The Broadway Bridge is a vertical-lift bridge across the Harlem River Ship Canal in the borough of Manhattan in New York City. It connects the neighborhoods of Inwood on Manhattan Island and Marble Hill on the mainland. The bridge consists of two decks. The lower deck carries Broadway, which is designated as U.S. Route 9 at this location. The upper deck carries the New York City Subway's IRT Broadway–Seventh Avenue Line, serving the 1 train.
The BMT Broadway Line is a rapid transit line of the B Division of the New York City Subway in Manhattan. As of November 2016, it is served by four services, all colored yellow: the N and Q trains on the express tracks and the R and W trains on the local tracks during weekdays. The line is often referred to as the "N and R", since those were the only services on the line from 1988 to 2001, when the Manhattan Bridge's southern tracks were closed for rebuilding. The Broadway Line was built to give the Brooklyn Rapid Transit Company access to Midtown Manhattan.
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Brooklyn Bridge Park is an 85-acre (34 ha) park on the Brooklyn side of the East River in New York City. Designed by landscape architecture firm Michael Van Valkenburgh Associates, the park is located on a 1.3-mile (2.1 km) plot of land from Atlantic Avenue in the south, under the Brooklyn Heights Promenade and past the Brooklyn Bridge, to Jay Street north of the Manhattan Bridge. From north to south, the park includes the preexisting Empire–Fulton Ferry and Main Street Parks; the historic Fulton Ferry Landing; and Piers 1–6, which contain various playgrounds and residential developments. The park also includes Empire Stores and the Tobacco Warehouse, two 19th-century structures, and is a part of the Brooklyn Waterfront Greenway, a series of parks and bike paths around Brooklyn.
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The Brooklyn Bridge–City Hall/Chambers Street station is a New York City Subway station complex in Lower Manhattan. The complex is served by trains of the IRT Lexington Avenue Line and the BMT Nassau Street Line. The station is served by the 4, 6, and J trains at all times; the 5 train at all times except late nights; the <6> train during weekdays in the peak direction; and the Z train during rush hours in the peak direction. It is the southern terminal for all 6 trains.
The Whitehall Terminal is a ferry terminal in the South Ferry section of Lower Manhattan, New York City, at the corner of South Street and Whitehall Street. It is used by the Staten Island Ferry, which connects the island boroughs of Manhattan and Staten Island. The Whitehall Terminal is one of the ferry's two terminals, the other being St. George Terminal on Staten Island.
References
Notes
↑ Sources disagree on whether the length of the Brooklyn Bridge is 6,016 feet (1,834m) [2][3][4] or 5,989 feet (1,825m).[5][6][7]
↑ The largest eyebars, which carry more stress, are located furthest away from the anchor plates. The eyebars closer to the anchor plates are progressively smaller.[38]
↑ By 1880, Haigh was incarcerated in Sing Sing prison for an unrelated crime.[152]
↑ Under the plan, drivers traveling westbound from the bridge to the northbound FDR Drive, or from the FDR Drive to the bridge eastbound, would be exempt from the toll. Drivers traveling westbound from the bridge to the southbound FDR Drive would pay a toll because that ramp uses city streets.[296]
↑ "Obituary; Edward R. Janes". Hartford Courant. January 11, 1902. p.5. Archived from the original on August 14, 2021. Retrieved August 14, 2021– via newspapers.com.
1 2 3 4 Schneider, Daniel B (January 10, 1999). "F.y.i."The New York Times. ISSN0362-4331. Archived from the original on July 2, 2019. Retrieved July 2, 2019.
↑ E.P.D (January 25, 1867). "The East River Bridge". The Brooklyn Daily Eagle. Vol.27, no.22. p.2. Archived from the original on October 19, 2007. Retrieved November 26, 2007.
↑ "The East River Bridge". Brooklyn Daily Eagle. September 10, 1867. p.2. Archived from the original on January 25, 2024. Retrieved June 18, 2019– via Brooklyn Public Library; newspapers.com.
↑ "The Accident to Mr. Roebling". Brooklyn Daily Eagle. June 30, 1869. p.3. Archived from the original on January 25, 2024. Retrieved June 18, 2019– via Brooklyn Public Library; newspapers.com.
1 2 3 4 Roark, James L.; Johnson, Michael P.; Furstenburg, Francois; Cline Cohen, Patricia; Hartmann, Susan M.; Stage, Sarah; Igo, Sarah E. (2020). "Chapter 19 The City and Its Workers: 1870–1900". The American Promise: A History of the United States (Kindle). Vol.Combined Volume (Value Edition, 8thed.). Boston, MA: Bedford/St. Martin's. Kindle Locations 14108–14114. ISBN978-1319208929. OCLC1096495503.
↑ Copage, Eric V (December 3, 1870). "Fire Under Water". New York Herald. p.14. Archived from the original on January 25, 2024. Retrieved June 18, 2019– via newspapers.com.
↑ "Another Rope Across The River". New-York Tribune. August 30, 1876. p.2. Archived from the original on January 25, 2024. Retrieved June 18, 2019– via newspapers.com.
↑ "The Bridge Accident". Brooklyn Times Union. June 15, 1878. p.2. Archived from the original on January 25, 2024. Retrieved June 18, 2019– via newspapers.com.
↑ "The Brooklyn Bridge". New York Daily Herald. January 14, 1877. p.14. Archived from the original on January 25, 2024. Retrieved April 26, 2018– via newspapers.com.
↑ "Monthly Meeting of the Trustees". Brooklyn Daily Eagle. January 12, 1877. p.2. Archived from the original on January 27, 2020. Retrieved April 26, 2018– via Brooklyn Public Library; newspapers.com.
↑ "The Edgemoor Iron Works". Brooklyn Times-Union. July 10, 1879. p.2. Archived from the original on January 25, 2024. Retrieved June 18, 2019– via newspapers.com.
↑ "The Edgemoor Iron Works". New-York Tribune. October 5, 1880. p.8. Archived from the original on January 25, 2024. Retrieved June 18, 2019– via newspapers.com.
↑ "Overburden and Neglect". New-York Tribune. July 27, 1901. p.2. Archived from the original on January 25, 2024. Retrieved July 1, 2019– via newspapers.com.
↑ "Slum Move Deadlines Set". New York Daily News. January 27, 1957. p.321. Archived from the original on January 25, 2024. Retrieved July 3, 2019– via newspapers.com.
↑ "Slate New Exit Ramp For Bridge". New York Daily News. May 21, 1970. p.420. Archived from the original on January 25, 2024. Retrieved July 5, 2019– via newspapers.com.
1 2 Steele, Ned (June 30, 1981). "Troubled Waters for Bridges". New York Daily News. pp.5, 55– via newspapers.com.
↑ Sullivan, Sheila (July 6, 1981). "Another Cable Snag on Brooklyn Bridge". New York Daily News. p.155. Archived from the original on January 25, 2024. Retrieved June 18, 2019– via newspapers.com.
↑ Copage, Eric V (September 20, 1982). "Lighting Pact to Help Brighten Bridge". New York Daily News. p.74. Archived from the original on January 25, 2024. Retrieved June 18, 2019– via newspapers.com.
↑ Rutenberg, James (February 4, 1999). "Bridge Fixup". New York Daily News. p.605. Archived from the original on January 25, 2024. Retrieved July 5, 2019– via newspapers.com.
↑ Franks, Norman L. R.; Guest, Russell & Alegi, Gregory (1997). Above the War Fronts: The British Two-Seater Bomber Pilot and Observer Aces, The British Two-Seater Fighter Observer Aces, And the Belgian, Italian, Austro-Hungarian And Russian Fighter Aces, 1914–1918. Grub Street. pp.150–151. ISBN978-1-898697-56-5.
↑ Hapgood, Norman; Harvey, George Brinton Mcclellan; Bangs, John Kendrick; Nelson, Henry Loomis; Schurz, Carl; Davis, Richard Harding; Foord, John; Schuyler, Montgomery; Conant, Samuel Stillman; Alden, Henry Mills; Curtis, George William; Bonner, John (1883). The Bridge As A Monument. Harper's Magazine Company. p.326 – via HathiTrust.
↑ Wojtowicz, Robert (1990). "Lewis Mumford: The Architectural Critic as Historian". Studies in the History of Art. Vol.35. pp.237–249. ISSN0091-7338. JSTOR42620520.
Barnes, A.C. (1883). The New York and Brooklyn Bridge ... American architectural books: based on the Henry-Russell Hitchcock bibliography. Fisher.
"Brooklyn Bridge Promenade"(PDF). nyc.gov. New York City Department of Transportation. August 2016. Archived(PDF) from the original on September 10, 2016.
Odlum, Catherine (1885). The Life and Times of Prof Robert Emmet Odlum. Gray & Clarkson.
Small, Charles S (1957). "The Railway of the New York and Brooklyn Bridge". The Railway and Locomotive Historical Society Bulletin. No.97. pp.7–20. ISSN0033-8842. JSTOR43520182.
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