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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 | Funding | District | Project | Reference Files |
|---|---|---|---|---|---|
| January 27, 2026 | 20674 | Federal | ACHD | Call 1: FY24 ROADWAY AND ADA IMPROVEMENTS, BOISE | Reference Files |
| January 27, 2026 | 23544 | Federal | 3 | Call 2: I-84, FY26 D3 IC RAMPS | Reference Files |
| January 27, 2026 | 23162 | Federal | 3 | Call 3: US-95, WILDER TO PARMA NCL | |
| January 27, 2026 | 23239 | Federal | 1 | Call 4: SH-3, FOSSIL BOWL TO EMERALD CR | Reference Files Reference Files 2 |
| February 03, 2026 | 22220 | Federal | 4 | Call 1: D4 #6 SEAL COATS | |
| February 10, 2026 | 24509 | Federal | 2 | Call 1: US-95, LEWISTON to THORN CR RD | |
| February 10, 2026 | 13443 | Federal | LHTAC | Call 2: SNAKE RIVER AVE; SOUTHWAY BRIDGE TO 11TH AVE | Reference Files Reference Files 2 |
| February 10, 2026 | 24229 | Federal | LHTAC | Call 3: MIDDLETON RD; SH-55 TO FLAMINGO AVE | 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 | Funding | District | Project | Reference Files |
|---|---|---|---|---|---|
| January 27. 2026 | 24175 | State | 1 | Call 1: US-95, SANDPOINT BYWAY GUARDRAIL ADJUSTMENT | |
| January 27. 2026 | 24967 | State | 3 | Call 2: FY26 D3 CONTRAST PAVEMENT MARKINGS | |
| January 27. 2026 | 23805 | State | 3 | Call 3: FY26 D3 STRIPING | |
| February 03, 2026 | 22218 | State | 4 | Call 1: I-84, FY26 D4 INTERSTATE STRIPING | |
| February 10, 2026 | 24993 | State | 1 | Call 1: FY25 DISTRICTWIDE BRIDGE REPAIRS |