This solicitation concerns the replacement of the existing N651 bridge over Red Willow Wash at Tohatchi, NM, with a new single‑span prestressed‑concrete beam bridge and associated roadway improvements. The work includes bridge demolition, earthwork, drainage, pavement, guard‑rail, signage, erosion‑control, traffic‑control, utility coordination, and ancillary site work, all performed in accordance with FHWA FP‑14 specifications and Navajo Nation requirements. The contract will be awarded through a sealed‑bid, competitive process; bidders must submit a physical proposal, bid schedule with unit prices, bonding, insurance, and a subcontracting plan that meets Navajo preference rules. The project is funded by the Tribal Transportation Program and is subject to a 6 % Navajo sales tax, Davis‑Bacon wage determinations, and applicable environmental permits.
• Scope: bridge reconstruction (≈ 28.9 m × 12.8 m), roadway reconstruction (≈ 0.249 km), guard‑rail, drainage, pavement, erosion control, traffic‑control, utility protection.
• Procurement: competitive sealed proposals, 10 % bid bond, 40 % self‑performance minimum, Navajo Business Opportunity Act compliance.
• Timeline: bid deadline July 30 2026, award week of August 17 2026, contract period 240 working days after Notice to Proceed.