Opportunity
Illinois BidBuy #27-557THA-ENGCO-B-53598
Change Order for I-490 Railroad Bridge Construction & Earthwork Project
Posted
August 11, 2026
Respond By
September 09, 2026
Identifier
27-557THA-ENGCO-B-53598
NAICS
237310, 237990
This notice announces a change order for the I-490 Railroad Bridge Construction and Earthwork project managed by the Illinois Toll Highway Authority (THA), Engineering - Construction division. - Government Buyer: - Illinois Toll Highway Authority (THA), Engineering - Construction division - Contractor/Vendor: - Walsh Construction Company (original project contractor) - Products/Services Requested: - Additional construction services for I-490 Railroad Bridge and earthwork - Scope specifically relates to work required due to an FAA Shutdown - No specific part numbers or product quantities provided - Unique/Notable Requirements: - Change order valued at $2,120,000, amending the original contract of $214,831,567.83 - Work remains within the original contract's policy and scope - NIGP code 91200 (Construction Services, General) applies - Procurement managed via Illinois BidBuy portal - No OEMs or specific manufactured products are referenced in this notice
Description
This solicitation is a change order notice for the I-490 Railroad Bridge Construction and Earthwork project. It involves an amendment to the contract with Walsh Construction Company for FAA Shutdown related work. The original contract amount was $214,831,567.83, and the change order cost is $2,120,000. The work remains within the original contract's scope and policy. The procurement is managed by the Toll Highway Authority through the Illinois BidBuy portal.