ˈbrɪdʒ A structure that allows people or vehicles to cross an obstacle such as a river or canal or railway etc.

Pontoon bridge short definition. Pontoon noun BRIDGE C a small flat boat or a metal structure of a similar shape used especially to form or support a temporary floating bridge. A pontoon bridge is a temporary bridge used in wartime and emergencies. Pontoon bridge floating bridge used primarily but not invariably for military purposes.

Pontoon - nautical a floating structure as a flat-bottomed boat that serves as a dock or to support a bridge. Pontoon bridge - a temporary bridge built over a series of pontoons bateau bridge floating bridge bridge span - a structure that allows people or vehicles to cross an obstacle such as a river or canal or railway etc. This bridge consisted of two parallel pontoon bridges each made up of 314 and 360 boats which were tied to the riverbank and T.

Xerxes Pontoon Bridge The earliest written record of bridge construction described by Herodotus was a bridge built across the Euphrates River around 600 BC. Pontoon bridge A pontoon bridge or floating bridge or bridge of boats is a bridge that floats on water and in which barge- or boat-like pontoons support the bridge deck and its dynamic loads. 3 He described a bridge built by Persian ruler Xerxes to cross the Hellespont now the Dardanelles.

Earliest use found in John Muller 16991784 mathematician and engineer. A bridge that floats on the water and is held up by large hollow containers filled with air called pontoons. It may be too expensive to suspend a bridge from anchored piers.

While pontoon bridges are usually temporary structures some are used for long periods of time. A bridge esp temporary that floats on water supported by watertight floats or vessels A temporary pontoon bridge was thrown across the river during the Civil War. These are also known as floating bridge.

Pontoon bridges may need a section that is elevated or can be raised or removed to allow ships to pass. Military engineers hurriedly constructed a pontoon bridge. Definition of pontoon bridge.