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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 |
|---|---|---|---|---|---|
| February 24, 2026 | 23931 | Call 1: US-30, SODA SPRINGS WCL TO ECL | Federal | 5 | Reference Files |
| February 24, 2026 | 21951 | Call 2: US-93, 3250 N TO 3800 N | Federal | 4 | CADD Files |
| February 24, 2026 | 24509 | Call 3: US-95, LEWISTON to THORN CR RD | Federal | 2 | |
| March 10, 2026 | 23604 | Call 1: US-91, D5 CONCRETE SLAB REPLACEMENT | Federal | 5 | 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 |
|---|---|---|---|---|---|---|
| February 24, 2026 | 23565 | Call 1: SH-55, D3 TREE REMOVAL | State | SIA | 3 | |
| February 24, 2026 | B200527 | Call 2: SH-13, GRANGEVILLE WHEEL RUT MASTIC PAVEMENT REPAIR | State | IRP | 2 | |
| February 24, 2026 | 23719n | Call 3: I-15, PORTERVILLE BRIDGE REPAIR | State | SIA | 5 | |
| February 24, 2026 | 24993 | Call 4: FY25 DISTRICTWIDE BRIDGE REPAIRS | State | SIA | 1 | |
| March 03, 2026 | B200526 | Call 1: D2 FY26 ON-CALL ROCK SCALING | State | IRP | 2 |