# Illinois BidBuy #27-557THA-ENGCO-B-54335

I-490 roadway and bridge construction from Taft Avenue to Beeline Drive

**Posted:** October 02, 2026
**Respond By:** November 20, 2026
**Identifier:** 27-557THA-ENGCO-B-54335
**NAICS:** 237310, 237990

The Illinois Tollway is seeking a contractor for a major I-490 roadway and bridge construction project in DuPage and Cook Counties.
- **Buyer:** Illinois State Toll Highway Authority (Illinois Tollway), Engineering–Construction department.
- **Project:** Contract I-25-4767, I-490 from Taft Avenue to Beeline Drive, mileposts 0.9–2.8.
- **Work:** Earthwork and grading; roadway and ramp pavement; bridges and retaining walls; drainage; erosion control; traffic control; lighting and signals; ITS and Toll Plaza work; landscaping, fencing, signage, and related construction.
- **Major quantities and pay-item references:** 200,950 earth excavation (20200100); 59,885 performance-related 10-inch concrete pavement (JT420166); 31,685 mechanically stabilized earth retaining wall (JI522500); 5,025 single-face reinforced concrete barrier sections (JT637400); 4,992 feet of 15-inch storm sewer (550A0360); 48 roadway LED luminaires (82110006); and 4 ITS security CCTV cameras (JT132822). The bid schedule contains hundreds of additional construction items; quantities use the units specified in the contract documents.
- **Notable requirements:** IDOT prequalification; stated participation goals of 27% DBE on core work and 0.5% VOSB; protection of aviation operations and utilities; traffic-maintenance requirements; and a $500,000 bid-credit cap.
- **OEMs and vendors:** No product OEMs or prospective construction contractors are named. BHFX Digital Imaging is identified as a source for plans and contract documents, not as the project contractor. IDOT, IDHR, CDOT, and ConstructionWorks are referenced in connection with project qualifications, coordination, or contract allowances.
- **Contract value:** No total estimated value is provided. The project is a large, multi-year highway construction contract; any value estimate would be speculative.

### Description

The Illinois Tollway is soliciting bids for roadway and bridge construction on I-490 from Mile Post 0.9 to Mile Post 2.8 in DuPage and Cook Counties, Illinois. Work includes earthwork, grading, haul roads, pavement, bridges, retaining walls, drainage, erosion and sediment control, landscaping, fencing, lighting, traffic signals, ITS infrastructure, Toll Plaza facilities, overhead sign truss foundations, and traffic maintenance. Work is scheduled to start on or about March 22, 2027, and must be completed by July 15, 2030. Bids must be submitted electronically through BidBuy; paper submissions will not be accepted, and an optional Microsoft Teams pre-bid meeting is scheduled for October 15, 2026.

[View original listing](https://www.bidbuy.illinois.gov/bso/external/bidDetail.sda?docId=27-557THA-ENGCO-B-54335&external=true&parentUrl=close)