IDOT District 8 - FAP 310 (IL 255) Various Bridges
Madison County, IL
Klingner provided Type Size and Location (TSL) plans, construction plans and specifications for ten structures along IL 255 in Madison County. Highlighted structures include dual grade separation bridges over Humbert Road, dual grade separation bridges over IL 111, grade separation bridges over Union Pacific and Kansas City Railroad, and a flyover bridge over and into IL 255. The superstructures consist of single and multi-span plate girders, and PPC I-beams. Special features include curved girders, tapered girders, and aesthetic finishes on vaulted abutments.