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.

Local Market

Ada County Highway District Government Contracts

25 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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Parent State

Idaho

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

McMillan Road and McDermott Road Signal

Active

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

Active

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

Active

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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Ada County Highway District

HVAC System Replacement – ACHD Administration Building

Active

AI Summary

Invitation to Bid for HVAC system replacement at ACHD Administration Building, Boise, Idaho. Includes removal and installation of HVAC equipment, system commissioning, and training. Bids due August 12, 2026 via ACHD eProcurement Portal. Contract term: Oct 2026 - Sep 2027. Contact: Dean Cooper, Facilities Manager. Locat…

Ada County Highway District · Idaho

Posted Jul 28, 2026Due Aug 12, 2026Invitation To BidNAICS 238220Sol: 284130

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Ada County Highway District

FY27 Tire Repair and Replacement

Active

AI Summary

Ada County Highway District seeks proposals for FY27 tire repair and replacement services for light to heavy duty vehicles and tractors, requiring facility and mobile service capabilities, compliance with DOT regulations, and extensive experience.

Ada County Highway District · Idaho

Posted Jul 28, 2026Due Aug 12, 2026Request For ProposalNAICS 811192Sol: 281703

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Ada County Highway District

Eckert Road Bridges 2147 and 2148– Boise River and Ridenbaugh Canal, Eckert Road and Boise Avenue Roundabout

Active

AI Summary

Ada County Highway District seeks bids for demolition and construction of bridges, a roundabout, and roadway improvements including sidewalks, drainage, and landscaping in Boise, Idaho. The project requires compliance with local standards, safety, and environmental measures. Bids are due August 19, 2026, with questions…

Ada County Highway District · Idaho

Posted Jul 28, 2026Due Aug 19, 2026Invitation To BidNAICS 237310Sol: 286551

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Ada County Highway District

FY27 Fleet Maintenance Parts

Archived

AI Summary

Ada County Highway District seeks proposals for staffing, transportation, management, and parts to support its fleet maintenance operations. The RFP evaluates cost, firm experience, qualifications, and project approach. Proposals are due by August 5, 2026.

Ada County Highway District · Idaho

Posted Jul 21, 2026Due Aug 5, 2026Request For ProposalNAICS 811111Sol: 281779

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Ada County Highway District

FY27 3/4" Aggregate Material

Archived

AI Summary

Invitation To Bid for approximately 10,000 tons of 3/4" crushed aggregate base material for road maintenance by Ada County Highway District, Idaho. Delivery required by September 30, 2027. Bid due July 29, 2026.

Ada County Highway District · Idaho

Posted Jul 14, 2026Due Jul 29, 2026Invitation To BidNAICS 212321Sol: 279066

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Ada County Highway District

FY27 Liquid Asphalt Material

Archived

AI Summary

Ada County Highway District seeks bids for FY27 liquid asphalt materials including various emulsified asphalts. Bids must comply with detailed specifications and be submitted via ACHD's eProcurement Portal by July 29, 2026.

Ada County Highway District · Idaho

Posted Jul 14, 2026Due Jul 29, 2026Invitation To BidNAICS 324121Sol: 278098

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Ada County Highway District

FY26 Large Excavator

Archived

AI Summary

Ada County Highway District seeks proposals to provide a large excavator for routine tasks. Delivery required between October 1-30, 2026. Evaluation based on cost, specifications, and delivery timing. Submission requires detailed specification matrix, compliance statements, and contact information.

Ada County Highway District · Idaho

Posted Jun 30, 2026Due Jul 15, 2026Request For ProposalNAICS 333120Sol: 276401

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