The Mystic River is a 7.0-mile-long (11.3 km) river in Massachusetts. In the Massachusett language, missi-tuk means "large estuary", alluding to the tidal nature of the Mystic River. The resemblance to the English word mystic is a coincidence, which the colonists followed.
Joseph Baermann Strauss was a German-American structural engineer who revolutionized the design of bascule bridges. He was the chief engineer of the Golden Gate Bridge in San Francisco, California.
A bascule bridge is a moveable bridge with a counterweight that continuously balances a span, or leaf, throughout its upward swing to provide clearance for boat traffic. It may be single- or double-leafed.
The Broadway Bridge is a Rall-type bascule bridge spanning the Willamette River in Portland, Oregon, United States, built in 1913. It was Portland's first bascule bridge, and it continues to hold the distinction of being the longest span of its bascule design type in the world. It was added to the National Register of Historic Places in November 2012.
The Maurice J. Tobin Memorial Bridge is a cantilever truss bridge that spans more than two miles (3.2 km) from Boston to Chelsea over the Mystic River in Massachusetts, United States. The bridge is the largest in New England. It is operated by the Massachusetts Department of Transportation and carries U.S. Route 1. It was built between 1948 and 1950 and opened to traffic on February 2, 1950, replacing the former Chelsea Bridge. The 36-foot (11 m)-wide roadway has three lanes of traffic on each of the two levels with northbound traffic on the lower level and southbound traffic on the upper level.
A moveable bridge, or movable bridge, is a bridge that moves to allow passage for boats or barges. In American English, the term is synonymous with drawbridge, and the latter is the common term, but drawbridge can be limited to the narrower, historical definition used in some other forms of English, in which drawbridge refers to only a specific type of moveable bridge often found in castles.
The Market Street Bridge, officially referred to as the John Ross Bridge, is a bascule bridge that spans the Tennessee River between downtown Chattanooga, Tennessee, and the Northshore District. It carries North Market Street, and was named in honor of Cherokee Chief John Ross. The bridge was completed in 1917 at a cost of $1.1 million. In the mid-1970s, the southern terminus of US 127 was moved several miles north to the intersection of Dayton Boulevard and Signal Mountain Boulevard in the nearby suburb of Red Bank.
The DuSable Bridge is a bascule bridge that carries Michigan Avenue across the main stem of the Chicago River in downtown Chicago, Illinois, United States. The bridge was proposed in the early 20th century as part of a plan to link Grant Park (downtown) and Lincoln Park (uptown) with a grand boulevard. Construction of the bridge started in 1918, it opened to traffic in 1920, and decorative work was completed in 1928. The bridge provides passage for vehicles and pedestrians on two levels. An example of a fixed trunnion bascule bridge, it may be raised to allow tall ships and boats to pass underneath. The bridge is included in the Michigan–Wacker Historic District and has been designated as a Chicago Landmark.
The North Avenue Bridge can refer to one of three bridges that has carried North Avenue over the North Branch of the Chicago River on the north side of Chicago, Illinois. A center-pier swing bridge built in 1877 was replaced in 1907 by a bascule bridge, allowing river traffic more room for maneuvering in and out of the North Canal, just north of Goose Island.
The Grafton Bridge is a heritage-listed bascule truss bridge that carries Bent Street and North Coast railway line across the Clarence River in Grafton, New South Wales, Australia. The bridge links the Grafton central business district with South Grafton, and was added to the New South Wales State Heritage Register on 2 April 1999.
The Housatonic River Railroad Bridge is a historic bridge carrying Metro-North Railroad's New Haven Line trackage across the lower Housatonic River in the U.S. state of Connecticut. The bridge is also used by Amtrak for its Northeast Corridor services. It was listed on the National Register of Historic Places in 1987, which also refers to the bridge as the Devon Bridge. It is also referred to as the Devon Railroad Bridge by the state Department of Environmental Protection.
The Amtrak Old Saybrook–Old Lyme Bridge is a railroad bridge that carries the Northeast Corridor over the Connecticut River between Old Saybrook and Old Lyme, Connecticut. It is the southernmost crossing of the river before it reaches Long Island Sound. The bridge is a truss bridge with a bascule span, allowing boat traffic to pass through. The bridge is owned by Amtrak; it is used by Amtrak Northeast Regional and Acela intercity trains, Shore Line East local trains, and Providence and Worcester Railroad freight trains. A $1.3 billion replacement bridge began construction in 2024 with completion scheduled for 2031.
The Saugatuck River Railroad Bridge, also known as Saugatuck River Bridge, is a railroad bridge carrying trackage of Metro-North Railroad's New Haven Line over the Saugatuck River in Westport, Connecticut. It is one of eight moveable bridges on the Amtrak Northeast Corridor route through Connecticut. It was built in 1905 for the New York, New Haven and Hartford Railroad. The bridge is a single leaf Scherzer rolling lift bascule bridge.
The Mianus River Railroad Bridge, also known as the Cos Cob Bridge, is a bascule drawbridge built in 1904 over the Mianus River, in Greenwich, Connecticut. It was listed on the National Register of Historic Places in 1987. The bridge carries the Northeast Corridor, the busiest rail line in the United States, both in terms of ridership and service frequency. It is operated by the Metro-North Railroad, successor to Conrail, Penn Central, and the New York, New Haven and Hartford Railroad, which erected it, and is owned by the Connecticut Department of Transportation.
The Chelsea Street Bridge is a vertical-lift bridge that carries Chelsea Street between East Boston, Massachusetts, and Chelsea, Massachusetts, over the Chelsea Creek. It opened to traffic on May 12, 2012, after a $125.3M construction project replaced the previous bridge, a single-leaf bascule-type drawbridge. The span is 450 feet (140 m) with a vertical clearance, when opened, of 175 feet (53 m). There are two lanes and a sidewalk in each direction.
The Van Buren Street Bridge is a bascule bridge that spans the Chicago River in downtown Chicago, Illinois, United States. It is the sixth bridge at this location and carrying this name, and was completed in 1956. It replaced an 1895 Rolling Lift-type bascule bridge designed by William Scherzer.
William Donald Scherzer was an American engineer and inventor who invented the rolling lift bridge.
The Taylor Street Bridge was the first Scherzer rolling lift bascule bridge built in Chicago, Illinois.
