Bridge replacement on US 36/IL 121 over Lake Shore Drive

The Illinois Department of Transportation is requesting sealed bids for complete replacement of bridge SN 058-0019 on US 36/IL 121 over Lake Shore Drive in Decatur (Macon County) under Contract No. 74856, with bids due June 12, 2026 at 12:00 p.m. via the iCX-Integrated Contractors Exchange system.

The scope encompasses bridge replacement, approaches, wingwalls, pavement removal and PCC pavement installation, concrete stairs, sidewalk and curb-and-gutter replacement, storm sewer and drainage structure removal and installation, median replacement, guardrail and fence installation, and pavement marking. Specifications include traffic control per Standard 701431, ADA-compliant pedestrian curb ramps and sidewalks meeting PROWAG, diamond grinding of bridge sections with a maximum Mean International Roughness Index of 200 inches per mile within continuous 25-foot sections, bridge deck grooving with longitudinal grooves, preformed pavement joint seals, and bar splicers with headed reinforcement. The contract incorporates IDOT Standard Specifications for Road and Bridge Construction (January 1, 2026 revision), supplemental specifications, and recurring special provisions for Federal-Aid Construction Contracts including Equal Employment Opportunity, subletting, asbestos removal, and erosion control requirements with quality control standards for concrete, asphalt, and other materials.

The project involves utility relocations and coordination with the City of Decatur, Ameren Gas, Ameren Electric, AT&T, ADM, Decatur Park District, Comcast, Metro Communications, Sanitary District of Decatur, and City of Decatur Water. The contract will be awarded to the lowest responsive and responsible bidder; IDOT reserves the right to determine responsibility at time of award, reject any or all proposals, re-advertise, or waive technicalities. Bids will be publicly opened immediately following the deadline.