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ODOT outlines phased Center Street Bridge retrofit; crews will start in-water work next year
Summary
Oregon Department of Transportation and city staff briefed council on a phased seismic retrofit of the Center Street (Bridal) Bridge, with phase 1 focusing on the river span, east ramps and a resilient water line; construction bidding is planned for early 2026 and in-river work will use cofferdams and a temporary work bridge.
ODOT Region 2 project staff briefed the City Council on May 27 about a complex, multi-year seismic retrofit and replacement program for the Center Street Bridge. The project is being delivered in two phases: phase 1 will retrofit the river span, address the east‑side ramps and replace or upgrade the city water line that runs on the bridge; phase 2 will address the west ramps and foundations that sit in a seismically liquefiable zone.
Project rationale and approach: Project manager Andrew Walker said the project team divided the work after design analysis showed extensive liquefaction risk on the West Side. “Once you get into that level of replacement it becomes more appropriate to consider full replacement rather than retrofit,” Walker said, which is why the west‑side…
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