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For other meanings of "bridge" see bridge (disambiguation)
A bridge is a structure to cross an open space or gap. Bridges are mostly useful for crossing rivers, valleys, or roads by vehicles but people have also used bridges for a long time for walking. Bridges called highway overpasses are used to avoid traffic control.
Bridge crossing river d'Ebre, Catalonia.

Bridges also have uses in the military. Military bridges have to be portable, so that they may be easily moved to the front lines, and so they are much more complex than regular civilian bridges.


The first man-made bridges were probably made from cut wood or stones.

Types of bridges

There are five major structural types of bridges:


Other websites

Media related to Bridges at Wikimedia Commons