3 He described a bridge built by Persian ruler Xerxes to cross the Hellespont now the Dardanelles.

Pontoon bridge short definition. 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. Permanent floating bridges are useful for sheltered quiet water-crossings. This bridge consisted of two parallel pontoon bridges each made up of 314 and 360 boats which were tied to the riverbank and T.

Pontoon bridges may need a section that is elevated or can be raised or removed to allow ships to pass. 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. 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 floating bridge used primarily but not invariably for military purposes. It may be too expensive to suspend a bridge from anchored piers. 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.

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. Pontoon bridges are usually temporary structures but some are used for long periods. Military engineers hurriedly constructed a pontoon bridge.

A pontoon bridge is a temporary bridge used in wartime and emergencies. See also military bridge. These are also known as floating bridge.

A bridge that floats on the water and is held up by large hollow containers filled with air called pontoons. While pontoon bridges are usually temporary structures some are used for long periods of time. Pontocaine Pontoise pontomedullary groove pontonier pontoon pontoon bridge Pontoppidan Pontormo Pontus Pontus Euxinus Pontypool.