Award
Illinois BidBuy #26-557THA-ENGCO-B-51201
Change Order Notice I-21-4809, Tri-State Tollway Roadway Reconstruction & Widening
Recipient
BOWMAN CONSULTING GROUP, LTD.
Award Amount
$17,900,000.00
Ceiling
$17,900,000.00
Awarded
April 03, 2026
Identifier
26-557THA-ENGCO-B-51201
The Illinois Toll Highway Authority (THA) awarded Bowman Consulting Group, Ltd. a contract for the amendment of Phase III construction management services related to the Tri-State Tollway Reconstruction & Widening project. The contract, originally valued at $15,900,000.00, was increased by $2,000,000.00 to a total of $17,900,000.00. The services include on-site inspection, design review, geotechnical testing, records management, pay estimates, change orders, and additional oversight due to schedule extensions and modifications. The contract is an amendment/change order to Contract I-21-4809, solicited on PSB 22-1, with the award finalized on April 3, 2026.
Description
Phase III construction management services for Tri-State Tollway Reconstruction & Widening, including on-site inspection, design review, geotechnical testing, records, pay estimates, change orders, and additional oversight due to schedule extensions and modifications. Contract I-21-4809 is being amended to provide additional services. Original contract was solicited on PSB 22-1, approved on June 16, 2022, for $15,900,000.00, now increased by $2,000,000.00 to $17,900,000.00.