# Ada County Highway District Opengov #MO27-14

ACHD seeks as-needed supply of SP-3 hot-mix asphalt

**Posted:** October 13, 2026
**Respond By:** October 28, 2026
**Identifier:** MO27-14
**NAICS:** 324121

Ada County Highway District’s Maintenance Operations Division is seeking suppliers for as-needed hot-mix asphalt to support roadway work and patch trucks.
- **Government buyer:** Ada County Highway District (ACHD), Maintenance Operations Division.
- **OEMs and vendors:** No OEMs, manufacturers, or prospective vendors are named in the procurement; suppliers are to be determined.
- **Requested products:** Plant-mixed SP-3 Hot Mix Asphalt Concrete (HMAC), with 1/2-inch maximum aggregate size, in PG 58-28 and PG 64-28 grades. All quantities are estimated, not guaranteed.
  - Plant Location One: 4,000 tons of PG 58-28 and 3,000 tons of PG 64-28.
  - Optional Plant Location Two: 4,000 tons of PG 58-28 and 3,000 tons of PG 64-28.
  - Patch-truck supply: 1,500 tons of PG 58-28 and 1,500 tons of PG 64-28.
- **Notable requirements:** Material must meet the 2025 ISPWC specifications and include at least 0.5% anti-strip additive. Recycled Asphalt Pavement is allowed within the approved mix design and applicable limits. Suppliers load ACHD trucks at their plants; patch-truck suppliers must dispense 1–4-ton batches without damaging equipment and provide mix workable for hand-raking. Suppliers must support at least 24 hours’ notice for orders of 20 tons or less and 48 hours for larger orders.

### Description

Ada County Highway District seeks competitive bids from qualified firms to supply plant-mixed Hot Mix Asphalt Concrete (HMAC) for roadway paving and other uses on an as-needed basis during the January 1–December 31, 2027 contract period. The material must meet the specified ISPWC requirements, including requirements for SP-3 mixes and PG 58-28 or PG 64-28 asphalt. Estimated quantities cover regular operations and patch-truck use, and ACHD may award the contract to multiple qualified firms. Bids must be electronically sealed and submitted through the ACHD eProcurement Portal by the stated deadline.

[View original listing](https://procurement.opengov.com/portal/achdidaho/projects/311757)