![]() ![]() Viaducts are commonly used in many cities that are railroad hubs, such as Chicago, Birmingham, London and Manchester. At its longest point, it measured 2,679 meters with a width of 22 meters. The longest in antiquity may have been the Pont Serme which crossed wide marshes in southern France. The Ouse Valley Viaduct in Sussex, England Like the Roman aqueducts, many early viaducts comprised a series of arches of roughly equal length. ![]() It is a 19th-century derivation from an analogy with ancient Roman aqueducts. ![]() The term viaduct is derived from the Latin via meaning "road", and ducere meaning "to lead". Typically a viaduct connects two points of roughly equal elevation, allowing direct overpass across a wide valley, road, river, or other low-lying terrain features and obstacles. Reinforced concrete, prestressed concrete, masonryĪvailable for use, since viaducts are all composed of low bridges.Ī viaduct is a specific type of bridge that consists of a series of arches, piers or columns supporting a long elevated railway or road. The 1812 Laigh Milton Viaduct in Ayrshire – the oldest surviving railway bridge in Scotland ![]()
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