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

32 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

FY27 Maintenance 3/8" Chip Seal Aggregate Material

Active

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

Active

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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Ada County Highway District

FY27 ACHD Clothing

Archived

AI Summary

ACHD seeks proposals from qualified firms to supply employee clothing for FY 2027, emphasizing quality, safety, branding, and timely delivery with an online ordering system and strong quality control measures.

Ada County Highway District · Idaho

Posted Aug 11, 2026Due Aug 26, 2026Request For ProposalNAICS 315210Sol: 290162

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Ada County Highway District

FY27 ACHD Commuteride Light Duty Vehicle Maintenance and Repairs

Archived

AI Summary

Ada County Highway District seeks proposals for FY27 maintenance and repair services for commuter light duty vehicles. Firms must demonstrate ASE-certified mechanics, relevant experience, and proximity to service locations. Proposals due August 26, 2026. Bid opening via Zoom.

Ada County Highway District · Idaho

Posted Aug 11, 2026Due Aug 26, 2026Request For ProposalNAICS 811111Sol: 288053

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Ada County Highway District

McMillan Road and McDermott Road Signal

Archived

AI Summary

Invitation to bid for installation of a traffic signal at McMillan and McDermott Roads including asphalt widening, pedestrian ramps, and pavement markings. Coordination with local sewer project required. Bids due August 19, 2026, by Ada County Highway District, Idaho. ACHD will install traffic signal and electrical wor…

Ada County Highway District · Idaho

Posted Aug 4, 2026Due Aug 19, 2026Invitation To BidNAICS 237310Sol: 287058

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Ada County Highway District

FY27 Corrosion Inhibited Liquid Magnesium Chloride

Archived

AI Summary

Ada County Highway District seeks bids for FY27 Corrosion Inhibited Liquid Magnesium Chloride to meet state specifications, with delivery to multiple Idaho locations. Timely delivery and compliance with specifications are critical. Bids due August 19, 2026 via ACHD eProcurement Portal.

Ada County Highway District · Idaho

Posted Aug 4, 2026Due Aug 19, 2026Invitation To BidNAICS 424690Sol: 286137

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Ada County Highway District

FY27 PVC Pipe Material

Archived

AI Summary

Ada County Highway District seeks bids for various sizes and types of PVC pipe for maintenance and repairs. Materials must meet Idaho public works standards. Delivery through September 2027. Bids due August 7, 2026 via ACHD eProcurement Portal. Contract awarded to lowest responsive bidder.

Ada County Highway District · Idaho

Posted Jul 31, 2026Due Aug 7, 2026Invitation To BidNAICS 423320Sol: 286138

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