860 Bridges in Berks, Lehigh, and Northampton Counties, PA
Client: PennDOT, Engineering District 5-0
Location: Berks, Lehigh, and Northampton Counties, PA
Type/Size: Routine NBIS and In-Depth Inspections, Load Ratings, and Reports
Services: Bridge Inspection
Inspection of 860 Bridges in Berks, Lehigh, and Northampton Counties. PCS has completed three cycles of the NBIS inspection of 860 State-Owned bridges. The project also included the in-depth inspection and load rating analyses of 20 large, complex, difficult access structures on high ADT highways such as Interstate 78 and State Routes 22, 33, 422, and 378. PCS teams utilized bucket trucks, manlifts, and inspection cranes to gain access to reach critical areas. Using state-of-the-art bridge inspection equipment, our teams precisely measured section loss on critical members and provided detailed sketches of defects to ensure accurate structural analysis. PCS structural engineers analyzed the critical members and rated the bridges using the latest load rating computer programs. Structure types include steel thru trusses and deck trusses, riveted and welded steel thru-girder/floorbeam systems, curved steel girders, and open spandrel reinforced concrete arches. The Gene Hartzell Memorial Bridge, that extends SR 0033 South to connect with Interstate 78 over the Lehigh River, is an 1,870′ continuous welded steel deck truss. The Hill-to-Hill Bridge is 1,607′ and includes two spans of steel Hudson through trusses. The Cementon Bridge is 575′ and consists of three spans of steel Pratt through trusses over the Lehigh River.