True partnering on this high-profile, design-build project changed the character of this corridor. GAI’s bridge, roadway, sidewalk, and landscape designs...

GAI designed a concrete box beam girder bridge spanning the Pennsylvania Turnpike for a design-build project to widen the limited...

Winner of an ACEC Engineering Excellence-Structural Systems award, this project started with the study of five steel bridge alternatives and...

GAI’s cost-saving approach to this design-build effort was substituting prestressed concrete spread box beams for the proposed I-beams, eliminating three...