The Francis Scott Key Bridge, more commonly known as the Key Bridge, is a six-lane reinforced concrete arch bridge conveying U.S. Route 29 (US 29) traffic across the Potomac River between the Rosslyn neighborhood of Arlington County, Virginia, and the Georgetown neighborhood of Washington, D.C. Completed in 1923, it is Washington's oldest surviving road bridge across the Potomac River.
The Three Sisters are three very similar self-anchored suspension bridges spanning the Allegheny River in downtown Pittsburgh, Pennsylvania at 6th, 7th, and 9th streets, generally running north/south. The bridges have been given formal names to honor important Pittsburgh residents:
The Old West Austin Historic District is a residential community in Austin, Texas, United States. It is composed of three neighborhoods located on a plateau just west of downtown Austin: Old Enfield, Pemberton Heights, and Bryker Woods. Developed between 1886 and 1953, the three historic neighborhoods stretch from Mopac Expressway east to Lamar Boulevard, and from 13th Street north to 35th Street. It borders Clarksville Historic District and the West Line Historic District to the south.
The Miami Bridge, also known as the McDaniel Memorial Bridge, is a new concrete girder bridge that was built to replace a cantilever through truss bridge over the Missouri River at Miami, Missouri between Saline County, Missouri and Carroll County, Missouri. The Miami Bridge carries Route 41. The Miami Bridge was built in 1939, and its deck was replaced in 1983 as part of a rehabilitation project. The old bridge's main cantilever span was 474.7 feet, while the two anchor spans were each 415 feet in length, resulting in a total cantilever truss length of 1304.7 feet. There were 11 approach spans, including four Warren deck truss spans, three on the northern approach and one on the southern approach. All remaining approach spans were steel stringer (multi-beam/girder) spans. Total bridge length including approach spans is 2,071.9 feet. The bridge's deck width is 23.0 feet and it has vertical clearance of 16.5 feet.
The Lamar Boulevard Bridge is a historic arch bridge carrying Texas State Highway Loop 343 over Lady Bird Lake in downtown Austin, Texas, United States. The bridge features six open-spandrel concrete arches spanning 659 feet (201 m) and carries tens of thousands of vehicles daily across the lake. Completed in 1942, the Lamar Boulevard Bridge was the second permanent bridge to cross the Colorado River, and one of the last Art Deco-style open-spandrel concrete arch bridges built in Texas. The bridge was named an Austin Landmark in 1993 and added to the National Register of Historic Places in 1994.
The Pennsylvania Avenue Bridge conveys Pennsylvania Avenue across Rock Creek and the adjoining Rock Creek and Potomac Parkway, between the neighborhoods of Georgetown and Foggy Bottom in Northwest Washington, D.C. Pennsylvania Avenue terminates at M Street immediately west of the bridge.
The Wilmington Rail Viaduct is a series of fills and bridges, about 4 miles (6.4 km) long, that carries the Northeast Corridor through the city of Wilmington, Delaware, above street level. Constructed between 1902 and 1908, the structure consists principally of fills supported by heavy stone retaining walls, punctuated with plate girder bridges over streets, and augmented by a few sections of brick arch viaduct. Its construction is typical of the Pennsylvania Railroad's architectural practices at the time, and the viaduct has been documented by the Historic American Engineering Record and listed on the National Register of Historic Places. Built by the Pennsylvania Railroad (PRR) as part of a series of grade crossing eliminations along the Northeast Corridor, the elevation of the rail line necessitated several other changes to rail infrastructure in Wilmington, including the construction of the Wilmington Shops at the east end of the viaduct, and the construction of the Wilmington Station and adjacent Pennsylvania Railroad Office Building along the elevated right-of-way.
The Ten Curves Road–Manistique River Bridge was a bridge carrying Ten Curves Road over the Manistique River in Germfask Township, Michigan. It was listed on the National Register of Historic Places in 1999, and was demolished in 2013.
The West Line Historic District is a residential community in central Austin, Texas, United States. The district encompasses an approximately 90-block tract of land located west of downtown. Bounded by Baylor Street to the east, Fifth Street to the south, Thirteenth Street to the north and Texas State Highway Loop 1 to the west. It is located south of the Old West Austin Historic District and southeast of the Clarksville Historic District.
The West Second Street–Swartz Creek Bridge in Flint, Michigan, carries West Second Street over Swartz Creek. It was listed on the National Register of Historic Places in 1999.
The James D. Pfluger Pedestrian and Bicycle Bridge is a shared use bridge for pedestrians and cyclists spanning Lady Bird Lake in downtown Austin, Texas. Opened in 2001, the bridge connects the north and south sides of the Ann and Roy Butler Hike-and-Bike Trail and features an unusual "double curve" design. The bridge runs parallel to the Lamar Boulevard Bridge, which carries road traffic across the lake roughly 200 feet (61 m) to the west.
The Passaic Street Bridge is a vehicular bridge crossing the Passaic River in Passaic and Garfield, New Jersey. The girder bridge was built in 1898 and is the third to span the river at that point. It is considered eligible for listing on the New Jersey Register of Historic Places National Register of Historic Places.
The Winooski Street Bridge is a historic bridge carrying Winooski Street across the Winooski River between Duxbury and Waterbury, Vermont. Built in 1928, it is a Parker through truss, one of only two of this type on the Winooski River and an increasingly rare bridge type in the state. It was listed on the National Register of Historic Places in 2006 as Bridge 31.
The Hassayampa Bridge is a bridge spanning the Hassayampa River in Hassayampa, Arizona, located in Maricopa County. The bridge was completed in 1929 and was listed on the National Register of Historic Places in 1988. The bridge was scheduled for demolition in 1983.
The Railroad Street Bridge is a historic Pratt through truss bridge, carrying Railroad Street across the Lamoille River in Johnson, Vermont. It was built in 1928, after the state's devastating 1927 floods, and is one of its few surviving Pratt through truss bridges. It was listed on the National Register of Historic Places in 2007 as Bridge 6.
The Herrold Bridge is a historic structure located near the unincorporated community of Herrold, Iowa, United States. It carried a gravel road for 156 feet (48 m) over Beaver Creek. Completed in 1921, this concrete cantilevered deck girder bridge replaced an earlier timber pile structure. It was designed by the Iowa State Highway Commission the previous year, and the Polk County Board of Supervisors awarded the construction contract to Ben Cole of Ames. The total cost of construction was $24,283.36. The bridge features three arched concrete deck girder spans that are cantilevered from concrete abutments and piers. It is considered one of the most technologically significant of Iowa's concrete girder bridges. The bridge was listed on the National Register of Historic Places in 1998. While it remains in place, the Herrold Bridge was replaced by a newer span slightly downstream.
The West Sixth Street Bridge is a historic stone arch bridge in downtown Austin, Texas. Built in 1887, the bridge is one of the state's oldest masonry arch bridges. It is located at the site of the first bridge in Austin, carrying Sixth Street across Shoal Creek to link the western and central parts of the old city. The bridge was added to the National Register of Historic Places in 2014.
The Yowaka River bridge is a heritage-listed road bridge that carries the Princes Highway across the Yowaka River at Greigs Flat on the Bega Valley Shire local government area of New South Wales, Australia. It was built in 1936. The bridge is also known as the Yowaka Bridge near Eden. The property is owned by Roads and Maritime Services, an agency of the Government of New South Wales. It was added to the New South Wales State Heritage Register on 20 June 2000.
The Beach–Garland Street–Flint River Bridge was a historic Luten arch bridge carrying Beach and Garland streets over the Flint River in Flint, Michigan. It was listed on the National Register of Historic Places in 1999. The bridge served from 1921 until 2006.
The San Jacinto Street Bridge is a viaduct which crosses Buffalo Bayou in Houston, Texas. The structure is listed on the National Register of Historic Places (NRHP). This bridge was built in 1914 to replace an iron pivot bridge of 1883 origin, and rehabilitated in 1997. It is a transportation conduit connecting downtown and the historical Fifth Ward.
