Different types of moveable bridges

A moveable bridge, or movable bridge, is a bridge that moves to allow passage for boats or barges. 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 specific type of moveable bridge often found in castles .

An advantage of making bridges moveable is the lower cost, due to the absence of high piers and long approaches. The principal disadvantage is that the traffic on the bridge must be halted when it is opened for passage of traffic on the waterway

More information:
https://en.wikipedia.org/wiki/Drawbridge
https://en.wikipedia.org/wiki/Bascule_bridge
https://en.wikipedia.org/wiki/Folding_bridge
https://en.wikipedia.org/wiki/The_Rolling_Bridge
https://en.wikipedia.org/wiki/Vertical-lift_bridge
https://en.wikipedia.org/wiki/Table_bridge
https://en.wikipedia.org/wiki/Retractable_bridge
https://en.wikipedia.org/wiki/Bascule_bridge
https://en.wikipedia.org/wiki/Submersible_bridge
https://en.wikipedia.org/wiki/Tilt_bridge
https://en.wikipedia.org/wiki/Swing_bridge
https://en.wikipedia.org/wiki/Transporter_bridge
https://en.wikipedia.org/wiki/Moveable_bridge

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Differenttypesmoveable