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 over 54 years.

Project Spotlight:


SR 3001-IRE/IR2, over Mehoopany Creek – Emergency Bridge Replacement

After the original bridge was destroyed by Hurricane Irene, SAI was contracted for the emergency preliminary engineering and final replacement design as well as the construction consultation for this bridge replacement project in Wyoming County, PA. Physical features: 160' single-span steel plate girder bridge over Mehoopany Creek. Approach roadway reconstruction located on a rural local road. Other features: Scour analysis. Waterway Permit acquisition and agency coordination. Hydraulic design and hydrologic studies. Traffic maintained via temporary bridge. Utility design and coordination ...
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