Types of Moving Bridges

By The News Voice

Feb 24, 2021

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Moving bridges are those bridges which can change their position and sometimes even the shapes so as to allow the passage of vessels and boats in the river or waterway.

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This type of bridge has lower cost of building as there are no high piers and long approaches. Using  this bridge can stop the road traffic so that it’s open for river traffic such as boats.

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There are various types of movable bridge systems used around the globe like drawbridge, folding bridge, curling bridge etc. Lets see some of them now.

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Bascule Bridge

Bascule bridge, which is also called as drawbridge, is fixed and supported on an axis which is perpendicular to the bridge longitudinal centerline axis.

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Vertical Lifting Bridge

Vertical Lifting Bridge is commonly constructed and used type of bridge. It consists of a span of a common type of truss which is supported by the towers at the end of span.

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Swing Bridge

This type of bridge is fixed on the horizontal plane that turns around vertical axis so as to give way for the water traffic such as vessels, boats or ships.

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The Vizcaya bridge is a transporter bridge that links the towns of Portugalete and Las arenas in the Biscay province of Spain, crossing the mouth of the Nervion river.

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There are special Types of Movable Bridges which are considered special as they are rarely constructed. Such as Pontoon retractile, Pontoon bridge, Shear pole swing, Folding bridge, Curling bridge

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So these were the different types of movable bridges which are constructed they usually have dynamic characteristics that allow the passage for boats.

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