During the design process, every bridge can be divided broadly into three parts. Superstructure Superstructure that part of the structure...

The five major parts of Bridges

During the design process, every bridge can be divided broadly into three parts. Superstructure Superstructure that part of the structure which supports traffic and includes deck, slab and girders. All the parts of the bridge which is mounted on a supporting system can be classified as a Super structure. 

Substructure Substructure that part of the structure, ie piers and abutments, which supports the superstructure and which transfers the structural load to the foundations. Foundation Foundation is the component which transfers loads from the substructure to the bearing strata. 

Depending on the geotechnical properties of the bearing strata, shallow or deep foundations are adopted. Usually, piles and well foundations are adopted for bridge foundations.

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