Caltrans is undertaking a two-year bridge joint rehabilitation and reconstruction project on the San Francisco-Oakland Bay Bridge to improve the condition and safety of the bridge joints on the western span.
The project, which began last month, is critical to the rehabilitation of finger joints and the reconstruction of selected bridge joints on both the upper and lower decks of the bridge. The bridge joints are vital to allowing the bridge to expand and contract with temperature changes while maintaining structural integrity.
Work will be completed in two phases:
- Phase 1: Currently underway on the Eastbound I-80 (lower deck) is set to continue through Summer 2026.
- Phase 2: Focused on the Westbound 1-80 (upper deck), will begin in Summer 2026 and continue until the completion of the project in Summer 2027.
Work Hours and Lane Closures:
The work will be performed nightly from Sunday to Thursday, with the following lane closure schedule to accommodate the construction:
- Two lanes closed from 10:00 p.m. to 11:59 p.m.
- Three lanes closed from 12 a.m. to 6 a.m.
During lane closure periods, motorists may experience delays. Motorists are encouraged to plan ahead and allow extra travel time. Changeable message signs will be posted to guide motorists.
For project updates on lane closures and detours, visit the project web page located at sfhighwayprojects.com.
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