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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.
Submersible bridge – also called a ducking bridge, the bridge deck is lowered into the water; Tilt bridge – the bridge deck, which is curved and pivoted at each end, is lifted at an angle; Swing bridge – the bridge deck rotates around a fixed point, usually at the centre, but may resemble a gate in its operation ; road or rail
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
Articles directly in this category do not have a swing bridge country sub-category in which to place them. Subcategories This category has the following 7 subcategories, out of 7 total.
The Torry Island Swing Bridge (also known as the Point Chosen Swing Bridge) is a historic swing bridge located just west of Belle Glade, Florida. The bridge was built in 1935, making it the oldest swing drawbridge in Florida and the only one in the state that is still operated manually via a crank . [ 1 ]
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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]