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Using 3D models in the design phase of bridges helps the engineer to verify the bridge's geometry and to analyse its aesthetic qualities. When these models are parameterized, the whole design process becomes more dynamic and standardized, which is very attractive to the infrastructure area of bridge engineering. This work presents a technique for automated generation of box girder bridge models, in which the geometric parameters are defined based on current design standards and criteria. Fast generation of a bridge's model allows the engineer to make quicker decisions about the adopted structural solution, which expedites bridge design. Two case studies are chosen to present more details and validate the proposed technique: an existing overpass located in an urban area, and a fictitious bridge connecting two coastal cities. [ABSTRACT FROM AUTHOR]