I-21-4737 - CO #46 - ATP #35.3 - I-490 Tollway Railroad Bridge Construction
What this bid is
The Illinois Toll Highway Authority is seeking bids for work on the I-490 Tollway railroad bridge, filed under change order 46 and a related authorization item, under contract number I-21-4737. The notice gives the project name only and does not describe the scope, size, or schedule of the work.
Bids close October 30, 2026 at 12:00 AM Central. Bids are submitted through the State of Illinois BidBuy system under solicitation number 27-557THA-ENGCO-B-54361. The agency decides on awards.
Who should bid
General Contracting contractors - the work is Statewide - IL.
Deadline
30 October 2026, 12:00 AM CDT (2 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-54361
- Buyer: THA - Toll Highway Authority
- Bids close: October 30, 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.
Check before bidding
- Only 2 days left to prepare a bid.
Taken from the notice as published. BusyBids does not assess whether you meet a requirement - confirm anything that matters with the issuing agency.
Important dates
Add all to calendar| Event | Date and time | |
|---|---|---|
| Bid deadline2 days remaining - last confirmed 27 Oct | 30 October 2026, 12:00 AM CDT check | 2 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 2 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.