IL 37 over Limestone Creek Bridge

McDonough-Whitlow, P.C. was the subconsultant for Phase II design of a single span Precast Prestressed I-beam Bridge.  Bridge length was 71′-6″ back to back of abutments; width was 36′-0″ out to out of shoulders. Bearings were fixed on both ends with pile bent abutments. Design parameters included Seismic Performance Category B, profile grade on a 200 ft. vertical sag curve, and a 30 degree skew.  A temporary soil retention system was utilized for staged construction

Illinois Department of Transportation, District 7,
PTB 139-016

Jefferson County, Illinois

Prime Consultant
Benton & Associates





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