Key No. 25183 I-15 RIVERTON ROAD BRIDGE

The Idaho Transportation Department is seeking a contractor to replace the Riverton Road Bridge on Interstate 15 (milepost 91.18‑91.25). The project is classified as a bridge replacement/rehabilitation with an estimated value between $10 million and $15 million. The scope includes demolition of the existing structure, site preparation, installation of a new MSE retaining wall, pile‑cap construction, and placement of the new bridge superstructure, along with associated traffic control and temporary works. • Replace the existing I‑15 Riverton Road Bridge with a new structure meeting current design standards. • Perform extensive earthwork, pile‑cap and MSE wall construction, and install new bridge components. • Manage traffic detours, temporary barriers, and coordination with state agencies throughout construction. • Deliver complete as‑built documentation and comply with all safety and environmental regulations.