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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.
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.
A moveable bridge, or movable bridge, is a bridge that moves to allow passage for boats [1] or barges. [2] 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 ...
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A bascule bridge (also referred to as a drawbridge or a lifting 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 bridge was built as part of the construction of the Hull and Barnsley Railway (opened 1885); it consisted of three spans; two 81 ft (25 m) bowstring lattice girder approach spans, and a central swinging span of 248 ft (76 m) also of lattice girder design, with a central operating cabin at the swing bridge centre located above the track. The ...
Pages in category "Swing bridges in the United States" The following 89 pages are in this category, out of 89 total. This list may not reflect recent changes .
The Media City Footbridge is a swing-mechanism footbridge over the Manchester Ship Canal near MediaCityUK. It is an asymmetric cable-stayed swing bridge and was completed in 2011. [1] It was designed by Gifford (now part of Ramboll) and WilkinsonEyre. [2] The pedestrian bridge links MediaCityUK with the Imperial War Museum North on Trafford ...