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SH-52 Snake River Bridge Replacement

The Idaho Transportation Department (ITD) is replacing the State Highway 52 (SH-52) Snake River Bridge, which has reached the end of its service life.

The SH-52 Snake River Bridge is an important river crossing for Idaho and Oregon residents, commuters, freight haulers, and emergency responders. A new bridge will be designed to meet current safety standards, including a wider bridge deck, guardrail and updated shoulders.

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Background

ITD will redesign the State Highway 52 (SH-52) Bridge in Payette over the Snake River, which connects Idaho and Oregon. Built in 1953, the bridge no longer meets current highway bridge standards for motorists, including freight haulers who transport produce across the region. The bridge barriers, width, and surface will be improved in coordination with the Oregon Department of Transportation (ODOT). At this time, ITD plans for reconstruction in 2026.

In 2020-2021, ITD conducted a feasibility study to provide a concept-level analysis on potential bridge design alternatives and future construction methods. Input and feedback gained from stakeholders during the feasibility study will be incorporated into the current design phase.

The agency regularly inspects this bridge and it is currently safe for travelers. In fall 2022, ITD worked with the City of Payette and Payette County Road and Bridge to rehabilitate the bridge deck and guardrail as an interim project ahead of future bridge replacement.

ITD and ODOT will work together during design to share updates with stakeholders and engage with the agricultural and freight communities.

Interim Bridge Deck Repairs
2022
Preliminary Design
2023
Final Design
2024
Construction Anticipated
2026

Working

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