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:


Marketing Up To The Minute: SAI Wins Montgomery County Agreement

May 15, 2023, Philadelphia, Pennsylvania – Marketing Up To The Minute Montgomery County (L00722) - SAI Consulting Engineers, Inc. was selected by Montgomery County to rehabilitate/retrofit the existing structure or design the replacement structure for County Bridge #10 which carries Woodmont Road over Arrowmink Creek in West Conshohocken Borough. The bridge project is part of a comprehensive Vision Plan by West Conshohocken to change how traffic moves in and around the Borough. SAI is excited to engineer the right solution ...