# Illinois BidBuy #27-557THA-ENGCO-B-54858

Change order for structural rehabilitation at structures BN 447 and BN 331

**Posted:** November 13, 2026
**Respond By:** December 16, 2026
**Identifier:** 27-557THA-ENGCO-B-54858
**NAICS:** 237310

The Illinois Toll Highway Authority announced a $197,516.80 change order for systemwide structural rehabilitation scope changes.
- **Government buyer:** Illinois Toll Highway Authority (THA), Engineering - Construction; Downers Grove, DuPage County, Illinois.
- **Work:** One service line item covering scope changes at structures BN 447 and BN 331 under the Systemwide Structural Rehabilitation contract.
- **Change order:** An Extra Work Order with an offsetting Change Order; the notice states the work is germane to and provided for under the original contract.
- **Participation goals:** 18.15% BEP and 2.54% VBP.
- **OEMs and vendors:** None named. No products or part numbers are specified.

### Description

The Illinois Toll Highway Authority gives notice of its intent to amend its contract with Lorig Construction Company for BN 447 and BN 331 scope-of-work changes related to Systemwide Structural Rehabilitation. The change is described as germane to the original contract, with provision for the work included in that contract. The Extra Work Order has an offsetting Change Order. The stated Extra Work Order/Change Order cost is $197,516.80.

[View original listing](https://www.bidbuy.illinois.gov/bso/external/bidDetail.sda?docId=27-557THA-ENGCO-B-54858&external=true&parentUrl=close)