Route CH 27A (Johnson Road) Project
Closed State & local contract opportunity Posted
- Solicitation number
- 61L85
- State
- Illinois
- Responses due
Opportunity facts
- Jurisdiction
- Point of contact
-
- IDOT Contracts Office dot.de-contracts@illinois.gov (217) 782-7806
Opportunity details come from constructionbidsource.com. Updated .
About this opportunity
The Illinois Department of Transportation (IDOT) is soliciting bids for Contract No. 61L85, a bridge replacement and roadway improvement project on Route CH 27A (Johnson Road) in McHenry County, with electronic bids due September 18, 2026 at 12:00 p.m. to the iCX system.
The scope encompasses full removal of an existing two-span precast concrete box beam bridge (SN 056-3128) over Nippersink Creek and replacement with a new two-span bridge (SN 056-3104) featuring an 8-inch concrete deck on IL 36-inch PPC IL beams. The existing structure measures 97 feet 4 inches back-to-back abutments; the replacement measures 210 feet 11 inches back-to-back, requiring roadway profile raising. Associated work includes removal of superstructure, substructure, piers, abutments, and existing pavement; new integral abutments on 14 HP piles; solid wall encased piles bent pier; full-depth hot-mix asphalt pavement and shoulder replacement and widening over a project length of 1,275 feet (0.241 miles); hot-mix asphalt driveways; steel plate beam guardrails; tree removal and protection; temporary and permanent erosion control; seeding for landscaping; and pavement markings. Quality control and assurance for HMA mixtures include Hamburg wheel testing and I-FIT testing for High ESAL mixtures. Utility relocations by ComEd and Frontier Communications are required during a 49-day pre-stage period, with contractor responsibility for coordination and integration into the progress schedule.
The contract term extends to October 30, 2027 (11:59 p.m.), with an allowance of 10 working days for cleanup and punch-list work. Bridge closure and removal of the existing structure cannot occur prior to March 15, 2027. Tree removal is restricted from April 1 through October 11 annually. The project is funded through state Construction Funds and subject to federal-aid construction contract requirements. An Engineer's Field Office Type A (Modified) will oversee the work. The contract will be awarded to the lowest responsive and responsible bidder under IDOT standard specifications and special provisions effective January 1, 2026.
Opportunity text
The work consists of the full removal of the existing two-span precast concrete box beam bridge (SN 056-3128) with a 3 latex concrete overlay supported on spill-thru steel HP pile bent abutments and pier. The bridge measures 97-4 back-to-back abutments and 26-0 out to out of bridge deck. The structure removal includes the removal of superstructure, substructure, piers and abutments. Additional removals include the existing roadway pavement and its appurtenances north and south of the bridge structure and tree removal. The proposed improvement consists of raising the roadway and bridge profile and replacing the existing bridge with a proposed two-span bridge (SN 056-3104) consisting of an 8 concrete deck on IL 36 PPC IL beams. The proposed substructure consists of integral abutments on 14 HP piles and solid wall encased piles bent pier (14 HP piles). The proposed bridge measures 210-11 back-toback abutments and 36-0 out to out of bridge deck. The proposed roadway and associated improvements include full depth hot-mix asphalt pavement and shoulder replacement and widening, hot-mix asphalt driveways, steel plate beam guardrails, temporary and permanent erosion control, seeding for landscaping, and pavement markings.
Files
| File | Type | Posted |
|---|---|---|
| ILDOT 61L85-022.pdf |
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