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Madison Street Bridge, a bascule bridge over the Chicago River in Chicago, IL The Rode Brug (Red Bridge) across the Vecht river in Utrecht, Netherlands The Marine Parkway–Gil Hodges Memorial Bridge in New York City. A moveable bridge, or movable bridge, is a bridge that moves to allow passage for boats [1] or barges. [2]
The bridge may be stiffened by the addition of cables that do not bear the primary structural or live loads and so may be relatively light. These also add stability in wind. An example is the 220-meter-long (720 ft) bridge across the river Drac at Lac de Monteynard-Avignonet: this bridge has stabilizing cables below and to the side of the deck.
At the time of its completion, the Harlem River lift bridge had the largest deck of any lift bridge in the world, with a surface area of 20,000 square feet (1,900 m 2). To lighten the deck, it was made of asphalt paved onto steel girders, rather than of concrete. [24] The movable span is 310 feet (94 m) long [23] [24] and 92 feet (28 m) wide. [23]
A bascule bridge (also referred to as ... very long, heavy spans could ... One of the few surviving examples is the Broadway Bridge (1913), in Portland, Oregon. [4] [6]
A swing bridge (or swing span bridge) is a movable bridge that can be rotated horizontally around a vertical axis. It has as its primary structural support a vertical locating pin and support ring, usually at or near to its center of gravity, about which the swing span (turning span) can then pivot horizontally as shown in the animated illustration to the right.
Including approaches, the Brooklyn Bridge is a total of 6,016 feet (1,834 m) 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 (1,825 m) is sometimes given; this is the distance from the curb at Centre Street in Manhattan. [5] [6] [7]
Kingston–Port Ewen Suspension Bridge: Maintained by: New York State Department of Transportation: ID number: 1007350: Characteristics; Design: Wire cable Suspension bridge: Total length: 2 side spans of 176.25 feet (54 m) each, anchorages, total length 1,145 ft (349 m) Width: 2 lanes plus walkway, 37 feet (11 m) Longest span: 705 feet (215 m ...
Some bridges are measured from the beginning of the entrance ramp to the end of the exit ramp. Some are measured from shoreline to shoreline. Yet others use the length of the total construction involved in building the bridge. Since there is no standard, no ranking of a bridge should be assumed because of its position in the list.