Question

what is bridge and how it is useful​

Answer 1

A bridge is a structure built to span a physical obstacle, such as a body of water, valley, or road, without closing the way underneath.

It is constructed for the purpose of providing passage over the obstacle, usually something that is otherwise difficult or impossible to cross.

Answer 2

Explanation:

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.

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