Aug 18, 2016
A bridge refers to a structure that is developed to extent over physical obstacles as well as provide passage for the road, railway, pedestrians, a canal or a pipeline. The obstacles to be spanned may belong to a river, a road, railway or a valley. Designs of bridges are based on the function of the bridge, the type of the terrain where the bridge is built up and anchored, the required material for developing it, and the existing funds to construct it.