Site work and paving for a bridge / tunnel in Horseshoe Bend, Idaho. Completed plans call for site work for a bridge / tunnel; and for paving for a bridge / tunnel.

Boise Street over Payette River Bridge Replacement Site Address: Boise Street over the Payette River. Site Directions: The bridge is located approx. 700 feet west of the SH-55 where Boise Street crosses the Payette River. The bridge is located in Boise County, but the east abutment borders the City of Horseshoe Bend. *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document. Est. Value Notes: $7 million to $9 million. Description: This project is to remove the existing two-span truss bridge for Boise Street over Payette River in Boise County, on the border with the City of Horseshoe Bend, Idaho. The bridge will be replaced with a new two-span prestressed concrete girder bridge with integral abutments on piles and a spread footing at the center pier with a concrete deck. This project is to remove the existing two-span truss bridge for Boise Street over Payette River in Horseshoe Bend, Idaho. The bridge will be replaced with a new two-span prestressed concrete girder bridge with integral abutments on piles and a spread footing at the center pier with a concrete deck. The new 192-foot long, 31-foot-6-inch wide, two-span prestressed concrete girder bridge will be constructed. The new bridge abutments will be supported by piles, a spread footing at the center pier, and a concrete deck as the driving surface The roadway approaches to the bridge will be reconstructed approximately 185-feet on each side of the bridge to accommodate the wider structure and the minimal vertical grade raise needed for the new structure type. The new bridge will provide two lanes of traffic and standard shoulder widths. In addition to the bridge replacement, the project removes the kink in the roadway on the east side of the bridge and replaces it with two common curves. The project will also update the existing guardrails, add a storm drainage system, and install retaining walls for the project. July 29, 2024 at 5:00 pm MDT is the last time technical questions or clarification requests will be accepted. Clarifications, answers, or addenda, if required, will be published no later than July 23, 2024 at 5:00 pm MDT. Non-technical administrative support questions may be asked and answered via telephone or email until the time of bid submittal deadline, although there is no guarantee questions submitted after July 22, 2024 will be answered. Work will not start earlier than August 16, 2024 or later September 9, 2024 and must be completed by April 24, 2026.