Comparative Structural Bridge Design

Santos, Alejandra

Student Work

Comparative Structural Bridge Design Public

This project focused on creating the structural vehicular bridge design for a highway overpass. The design followed the AASHTO LRFD Bridge Specifications and the MassDOT and FHWA requirements. To support hand calculations, computer modeling programs, like Risa-3D, were used as tools. Along with the design of the superstructure and substructure, alternative girder designs were investigated and evaluated based on a set of established criteria. The proposed bridge design included a completed superstructure design, three alternative girder options, substructure evaluation and a cost analysis.

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