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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 hydraulic Swing Bridge was designed and paid for by Armstrong, with work beginning in 1873. It was first used for road traffic on 15 June 1876 and opened for river traffic on 17 July 1876. [4] At the time of construction it was the largest swing bridge ever built. The construction cost was £240,000. [5]
St. Francis River Bridge (Madison, Arkansas) St. Joseph Swing Bridge; St. Paul Union Pacific Rail Bridge; Sakonnet River rail bridge; Sarto Bridge; Saugatuck River Bridge; Schuylkill Arsenal Railroad Bridge; Snow-Reed Swing Bridge; Spokane Street Bridge; Spuyten Duyvil Bridge; Swing Bridge at New Bridge Landing
A vertical-lift bridge or just lift bridge is a type of movable bridge in which a span rises vertically while remaining parallel with the deck. The vertical lift offers several benefits over other movable bridges such as the bascule and swing-span bridges. Generally speaking, they cost less to build for longer moveable spans. [1]
A contract for the substructure of the bridge was given to American Bridge Company. [6] The pin-connected drawbridge was designed by Alfred P. Boller, an authority on deep bridge foundations, to allow the bridge to pivot/swing, clearing a path for through river travel. [9] The 3 spans of the bridge are all composed of rivet-connecting steel ...
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.
Here’s what to know about the Socastee Swing Bridge. 1. It’s closing in on its 100th birthday. Built in 1935 as a link between Conway and Myrtle Beach over the Intracoastal Waterway, the ...
The swing bridge design, in which the center section of the bridge can rotate, allowed a variety of boats to pass by on the swift river. The bridge is the oldest surviving swing bridge of its design in Texas and one of three such bridges in the state. [2] [3] The bridge was added to the National Register of Historic Places on June 8, 2011. [1]
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