What types of construction projects does the Ada County Highway District typically solicit?

The district frequently seeks contractors for pavement patching, road widening, bridge overpass construction, and the installation of pedestrian safety infrastructure like Rapid Rectangular Flashing Beacons (RRFB).

Does the Ada County Highway District require specific prequalification for contractors?

Yes, contractors bidding on public works projects for the district must generally be licensed in Idaho and may need to meet specific bonding and insurance requirements tailored to highway and civil engineering standards.

How can vendors identify upcoming infrastructure projects for the district?

Vendors should monitor the district's formal bid portal for solicitations related to their Capital Improvement Plan, which outlines long-term road, bridge, and intersection upgrades across the county.

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Ada County Highway District Government Contracts

37 opportunities are tied to Ada County Highway District, Idaho. The page keeps the state hierarchy visible while previewing the latest 10 local contracts.

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About Ada County Highway District government contracting

The Ada County Highway District manages the planning, design, and maintenance of the public roadway infrastructure across Ada County, Idaho. Vendors compete for contracts involving heavy civil construction, pavement rehabilitation, bridge and overpass engineering, and specialized transportation equipment procurement.

Latest opportunities

Previewing the latest 10 opportunities for Ada County Highway District.

Ada County Highway District

Stoddard Road, Victory Road to Overland Road

Active

AI Summary

Ada County Highway District seeks bids for comprehensive road construction and maintenance on Stoddard Road, including pavement reconstruction, curb and sidewalk installation, utility work, bridge widening, and traffic safety enhancements. Bids due by October 14, 2026.

Ada County Highway District · Idaho

Posted Sep 29, 2026Due Oct 14, 2026Invitation To BidNAICS 237310Sol: 306797

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Ada County Highway District

Allumbaugh Street, Franklin Road to Douglas Street

Active

AI Summary

Ada County Highway District seeks bids for reconstructing Allumbaugh Street from Franklin Road to Douglas Street, including pedestrian/bike facilities, bridge replacement, and railroad crossing upgrades. Coordination with Union Pacific Railroad is required. The project involves roadway construction, traffic control, an…

Ada County Highway District · Idaho

Posted Sep 29, 2026Due Oct 14, 2026Invitation To BidNAICS 237310Sol: 304861

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Ada County Highway District

2027 Portland Cement Concrete Materials

Active

AI Summary

Ada County Highway District seeks bids for Portland Cement Concrete materials meeting Idaho public works standards for delivery within Ada County through 2027. Bids must be submitted electronically by October 14, 2026.

Ada County Highway District · Idaho

Posted Sep 29, 2026Due Oct 14, 2026Invitation To BidNAICS 327320Sol: 303985

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Ada County Highway District

Cloverdale Road, Franklin Road to Executive Drive - Thermoplastic Replacement

Archived

AI Summary

Ada County Highway District seeks bids for removing and replacing pavement markings with thermoplastic markings on Cloverdale Road, Idaho. The project includes nighttime work, safety compliance, and requires performance bonds. Bids due by September 30, 2026 via ACHD eProcurement Portal. Contact: Joshua Saak, Mike Fager…

Ada County Highway District · Idaho

Posted Sep 15, 2026Due Sep 30, 2026Invitation To BidNAICS 237310Sol: 302230

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Ada County Highway District

FY27 Traffic Paint Material

Archived

AI Summary

Ada County Highway District seeks bids for FY27 yellow and white traffic paint materials. Bidders must submit paint samples and SDS, comply with specifications, and submit bids via the ACHD eProcurement Portal by September 30, 2026.

Ada County Highway District · Idaho

Posted Sep 15, 2026Due Sep 30, 2026Invitation To BidNAICS 424690Sol: 299761

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Ada County Highway District

FY27 Maintenance 3/8" Chip Seal Aggregate Material

Archived

AI Summary

Ada County Highway District seeks proposals to supply approximately 22,700 tons of 3/8" chip seal aggregate material for FY28 road maintenance. Production and delivery must be completed by September 30, 2027. The RFP includes detailed submission requirements and evaluation criteria focused on cost, experience, qualific…

Ada County Highway District · Idaho

Posted Sep 8, 2026Due Sep 23, 2026Request For ProposalNAICS 212321Sol: 291379

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Ada County Highway District

FY27 Stormwater Basin and Swale Vegetation Management Services

Archived

AI Summary

Ada County Highway District seeks proposals for FY27 stormwater basin and swale vegetation management services including weed control, maintenance, irrigation, and site cleanup at ACHD facilities in Idaho. Voluntary pre-proposal meeting on September 8, 2026.

Ada County Highway District · Idaho

Posted Sep 1, 2026Due Sep 16, 2026Request For ProposalNAICS 561730Sol: 296056

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Ada County Highway District

FY27 ACHD Custodial Services

Archived

AI Summary

Ada County Highway District seeks proposals for comprehensive custodial services at all ACHD facilities. Mandatory pre-proposal meeting and site walkthroughs are required for eligibility. The RFP evaluates cost, experience, qualifications, and project approach. Proposals due by September 9, 2026.

Ada County Highway District · Idaho

Posted Aug 25, 2026Due Sep 9, 2026Request For ProposalNAICS 561720Sol: 293778

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Ada County Highway District

McMillan Road and McDermott Road Signal - Rebid

Archived

AI Summary

Invitation to bid for installing a traffic signal and related road improvements at McMillan and McDermott Roads in Ada County, Idaho. The project includes asphalt widening, pedestrian ramps, and pavement markings. Bids due by September 2, 2026, via ACHD eProcurement Portal. Coordination with local sewer projects requir…

Ada County Highway District · Idaho

Posted Aug 18, 2026Due Sep 2, 2026Invitation To BidNAICS 237310Sol: 293253

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Ada County Highway District

FY27 Sodium Chloride Road Salt

Archived

AI Summary

Ada County Highway District seeks bids for FY27 sodium chloride road salt meeting ASTM standards for highway de-icing. Estimated 3,500 tons/year with delivery to multiple Idaho sites by September 2027. Bids due September 2, 2026 via ACHD eProcurement Portal. Timely delivery and compliance with specifications are critic…

Ada County Highway District · Idaho

Posted Aug 18, 2026Due Sep 2, 2026Invitation To BidNAICS 212393Sol: 289270

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