I-490 Railroad Bridge Construction & Earthwork

Closed State & local contract opportunity Posted

Solicitation number
27-557THA-ENGCO-B-53242
State
Illinois
Responses due

Opportunity facts

Jurisdiction
Point of contact

Opportunity details come from constructionbidsource.com. Updated .

About this opportunity

The Illinois Toll Highway Authority is soliciting a steel cost adjustment amendment to an existing I-490 Railroad Bridge Construction & Earthwork contract, with responses due August 7, 2026 at 12:00 a.m. This is a change order with no dollar increase restriction; the amendment adds $6.3 million to the original contract value of $214,831,567.83.

The work is a steel cost adjustment provision tied to the original contract with Walsh Construction Company. The scope relates to I-490 railroad bridge construction and earthwork in DuPage County. The amendment is associated with supplemental ATP #5.3 and is classified under NIGP Code 912-00 (general construction services).

Business Enterprise Program (BEP) participation goal is 18.31% and Veteran Business Program (VBP) participation goal is 0.51%. Electronic quotes are not permitted; alternate bids are required. Project documents became available July 13, 2026. Responses must be submitted to Bryan Shramovich at the THA Central Administration office in Downers Grove, Illinois.

Opportunity text

Provide for Steel Cost Adjustment for work related to I-490 Railroad Bridge Construction & Earthwork.

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