Reconstruction of Sudduth Road Project

The Illinois Department of Transportation is soliciting bids for the reconstruction of Sudduth Road in Sangamon County, including removal and reconstruction of the structure carrying the road over I-55, with electronic bids due through the iCX system by 12:00 p.m. on November 6, 2026. The project is funded with federal-aid highway construction funds under the NHPP-T4CS program, and the special provisions include disadvantaged business enterprise (DBE) participation requirements. Award goes to the lowest responsive and responsible bidder.

Scope includes earth excavation, embankment, topsoil placement, bridge removal and construction, maintenance of traffic, pipe culverts, erosion control, HMA base, binder, and surface courses, HMA milling and resurfacing, aggregate and HMA shoulders, entrances, sign panels, seeding, and pavement markings. The 1,140-foot improvement begins about 200 feet west of West Outer Road (North I-55 Frontage Road) and extends about 500 feet past the I-55 structure. The listing identifies the structure as SN 084-0599, while the bid file identifies it as SN 084-0100. Supplemental specifications cover concrete quality control, asphalt requirements, hot-dip galvanized structural steel, preformed pavement joint seals, and slipform parapet construction.

Traffic control is substantial. Temporary I-55 lane closures are limited to 7:00 p.m. to 6:00 a.m., Sunday through Friday, and complete northbound I-55 closures are restricted to three work shifts for beam removal and replacement. The contractor must furnish five portable changeable message signs and coordinate with IDOT District 6 Bureau of Operations, Illinois State Police, and Sangamon County Emergency Services. Construction is staged in three phases. Utility relocations involving Ameren Illinois, AT&T, Comcast, Frontier Communications, Level 3/Lumen, Menard Electric Cooperative, and the Village of Williamsville are required before and during construction.

Completion is required by October 31, 2027, with an additional 10 working days permitted for remaining items while maintaining traffic. The listing was posted October 25, 2026. Its jurisdiction field names St. Clair County, while the project description places the work in Sangamon County.