I-21-4736 - CO #27 - ATP #32.2 - I-490 Railroad Bridge Construction
What this bid is
The Illinois Toll Highway Authority is seeking bids for a change order on the I-490 railroad bridge construction project, filed under the I-21-4736 contract with the label CO #27 and ATP #32.2. The notice names the work only by its title and gives no scope, size, budget or duration.
Bids close November 6, 2026 at 12:00 AM Central. Bids are submitted through the state BidBuy portal, using solicitation number 27-557THA-ENGCO-B-54473. The agency decides who, if anyone, is awarded the work.
Who should bid
General Contracting contractors - the work is Statewide - IL.
Deadline
6 November 2026, 12:00 AM CST (9 days remaining - last confirmed 27 Oct)
How to submit
On the agency's own system, not on BusyBids. Open the official notice
As the agency published it
- Bid solicitation number: 27-557THA-ENGCO-B-54473
- Buyer: THA - Toll Highway Authority
- Bids close: November 6, 2026 at 12:00 AM Central
- Published on BidBuy (Illinois).
Reproduced from the official notice via BidBuy (Illinois). The agency's page is the one that counts.
Important dates
Add all to calendar| Event | Date and time | |
|---|---|---|
| Bid deadline9 days remaining - last confirmed 27 Oct | 6 November 2026, 12:00 AM CST check | 9 days |
Times are shown in the agency's own zone. Confirm every deadline against the official notice.
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Where this came from
Collected from BidBuy (Illinois), first seen 13 October 2026, last confirmed 27 October 2026.
The notice text above and every date and requirement are reproduced from the source. Confirm every deadline against the official notice before you bid.
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We reproduce what the agency published. If we got it wrong we want to know - a wrong deadline can cost you a bid.
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About THA - Toll Highway Authority
BusyBids has tracked 39 notices from THA - Toll Highway Authority since September 2026, 14 of them open now. The open work falls under General Contracting, Concrete, Paving & Asphalt.