Welcome to SAI! We are a transportation-focused civil engineering and construction management firm specializing in bridge and highway design, structural inspection, traffic engineering, design management, and construction management and inspection.  A leader in the field of transportation design and construction management, SAI has provided government and private sector clients with innovative, accurate, and reliable design and consulting engineering services for nearly 60 years.

Project Spotlight:


Open-End Small Bridges & Structure – Sidewalk Gaps Preliminary Engineering/Final Design

Pittsburgh, Pennsylvania SAI was responsible for the design for pedestrian improvements to more than 7,000 linear feet of sidewalk within two bid packages: one bid package for locations in the neighborhoods of Fineview, Sheraden, and East Liberty, included design of sidewalk, curb, ADA ramps, and other ancillary construction as required. The other bid package was for work in the Hazelwood neighborhood which included design of sidewalk, curb, ADA ramps, and other ancillary construction as required. Physical Features: Project Location 1 ...