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Culvert is a structure, usually of tunnel type that carries a stream or open drain under a road, railroad or any other obstruction from one side to the other side. Materials which can be used for culverts include a reinforced concrete, pipe or other material that have good performance when is embedded and surrounded by soil.
There are three main bridge areas which include all the basic components of bridge: Foundation, Substructure, and Superstructure. Bridges are complex structures, and since they can be made with many different materials and truss types, their components are almost too numerous to count. Here you can get informed about basic bridge parts and components.
One of the first modern bridges to be made were truss bridges. They could be made of wood which some places had plethora and could withstand larger weights. They were later made of iron and steel. Many of those old modern bridges still stand.
Arch Bridge is one of the most popular types of bridges, which can today be found all across the world. Here you can follow their path through history, from their first inception some 3000 years ago in Greece, to their renaissance in Ancient Rome, all up to modern times.