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IDOT: Reconstructing the I-57 and IL 16 interchange located east of Mattoon from a cloverleaf (Coles County)
Illinois Department of Transportation
General Construction
- Bid due
- Fri Nov 6, 2026, 12:00 PM CST
- Location
- Coles County, IL
- Source
- Illinois DOT lettings (Transportation Bulletin)
- Solicitation
- Item-contract 105-74435
IDOT letting item 105-74435 (region 4, district 7): Reconstructing the I-57 and IL 16 interchange located east of Mattoon from a cloverleaf to a raindrop diamond configuration. Bids due 12:00 PM Central on November 6, 2026; bidders must be prequalified and request authorization to bid before the cut-off on IDOT's letting schedule.
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