# Illinois BidBuy #27-557THA-ENGCO-B-54856

Ramp P1 embankment modification change order at the IL 390/I-490 interchange

**Posted:** November 13, 2026
**Respond By:** December 18, 2026
**Identifier:** 27-557THA-ENGCO-B-54856
**NAICS:** 237310

The Illinois Toll Highway Authority reported a $198,000 change order for embankment modification at the IL 390/I-490 interchange.
- **Buyer:** Illinois Toll Highway Authority — Engineering - Construction.
- **Work:** Ramp P1 Embankment Modification, quantity 1 EA, for roadway and bridge construction.
- **Scope note:** The notice says the work is germane to the existing contract and was included in its original scope.
- **OEMs and vendors:** None identified.

### Description

The Illinois Toll Highway Authority gives notice of its intent to amend its contract with F. H. Paschen, S.N. Nielsen for Ramp P1 Embankment Modification related to roadway and bridge construction at the IL390 and I-490 Interchange. The change is described as germane to the original contract, which includes provision for this work. The stated extra work order/change order cost is $198,000.00, and the original contract award amount is $184,253,944.05.

[View original listing](https://www.bidbuy.illinois.gov/bso/external/bidDetail.sda?docId=27-557THA-ENGCO-B-54856&external=true&parentUrl=close)