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Currently Advertised Major Highways Projects
(Typically $1M+) – Electronic Bidding Available
Major Highways projects & projects scheduled in the Idaho Transportation Investment Program (ITIP), with the exception of the SIA projects. Contractors may bid on these projects electronically through Bid Express, or by submitting a Sealed Hard Copy Bid before the bid opening date & time. Sealed Hard Copy Bids must use one of these three options:– at the office of the IDAHO TRANSPORTATION DEPARTMENT – 11331 WEST CHINDEN BLVD. BLDG #8, BOISE, IDAHO 83714 bid box slot #4 located in lobby ATTN: ADVERTISEMENT AND AWARD, with the Key No. and Contractor name on outside of envelope marked “Bid Enclosed.•
– USPS – IDAHO TRANSPORTATION DEPARTMENT, PO Box 40, BOISE, IDAHO 83707-0040 ATTN: ADVERTISEMENT AND AWARD. On the Sealed envelope inside, please include the Key No., Contractor name, and “Bid Enclosed.•
– FedEx/UPS – IDAHO TRANSPORTATION DEPARTMENT, 3311 W. STATE STREET, BOISE, ID 83703 ATTN: ADVERTISEMENT AND AWARD. On the Sealed envelope inside, please include the Key No., Contractor name, and “Bid Enclosed.•
| Bid Opening | Key Number | Project | Funding | District | Reference Files |
|---|---|---|---|---|---|
| June 30, 2026 | 22279 | Call 1: RAPID CREEK BRIDGE REPLACEMENT | Federal | 5 | Reference Files |
| June 30, 2026 | 20599 | Call 2: W. SIDE FRONTAGE RD. | Federal | LHTAC | Reference Files |
| June 30, 2026 | 25393 | Call 3: SH-54 MP 11.8 TO MP 14.67 MILL & INLAY, D1 | State | 1 | |
| July 07, 2026 | 24257 | Call 1: STC-7681, PENDLEBURY LN; CHRISTENSEN TO ALICE ST. | Federal | LHTAC | Reference Files |
Currently Advertised SIA/IRP Highways Projects
(Typically $50K-$5M) – Hardcopy Bidding ONLY
SIA projects are maintenance projects in the ITIP. IRP projects are maintenance & other miscellaneous projects that are not in the ITIP. Electronic bidding is not available for these projects. Sealed Hard Copy Bids will only be received, before the bid opening date & time, by one of these three options:– at the office of the IDAHO TRANSPORTATION DEPARTMENT – 11331 WEST CHINDEN BLVD. BLDG #8, BOISE, IDAHO 83714 bid box slot #4 located in lobby ATTN: ADVERTISEMENT AND AWARD, with the Key No. and Contractor name on outside of envelope marked “Bid Enclosed.•
– USPS – IDAHO TRANSPORTATION DEPARTMENT, PO Box 40, BOISE, IDAHO 83707-0040 ATTN: ADVERTISEMENT AND AWARD. On the Sealed envelope inside, please include the Key No., Contractor name, and “Bid Enclosed.•
– FedEx/UPS – IDAHO TRANSPORTATION DEPARTMENT, 3311 W. STATE STREET, BOISE, ID 83703 ATTN: ADVERTISEMENT AND AWARD. On the Sealed envelope inside, please include the Key No., Contractor name, and “Bid Enclosed.•
| Bid Opening | Key Number | Project | Funding | Type | District | Reference Files |
|---|---|---|---|---|---|---|
| June 23, 2026 | 25066 | Call 1: US-95, FY25 ROADSIDE SAFETY CHANGEABLE MESSAGE BOARD, D2 | State | SIA | 2 | |
| June 23, 2026 | 23719u | Call 2: D4 ON-CALL TRAFFIC SIGNAL & ILLUMINATION REPAIR | State | SIA | 4 | |
| June 30, 2026 | 25124 | Call 1: FY26 BRIDGE REPAIRS, D2 | State | SIA | 2 |