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Mare Island bridge to become permanent one-way westbound starting Oct. 7; full closures planned Oct. 22-23

5902416 · September 25, 2025
AI-Generated Content: All content on this page was generated by AI to highlight key points from the meeting. For complete details and context, we recommend watching the full video. so we can fix them.

Summary

City engineers said the Mare Island bridge will shift to a 24/7 one-way westbound traffic pattern beginning Oct. 7 through project completion Jan. 5, 2027, with a planned two-day full closure Oct. 22-23 for in-water work. Officials said eastbound drivers will be detoured via State Route 37 and the city will monitor circulation and public safety.

City engineers announced Sept. 25 that traffic over the Mare Island bridge will change to a permanent one-way westbound pattern starting Oct. 7 and continuing 24 hours a day through the bridge reconstruction project, scheduled to finish Jan. 5, 2027.

“This will be one way westbound all the time, through 24 hours a day, 7 days a week, through the completion of the project,” Sam Kumar, the city engineer on the project, told the joint City Council and school board 2x2 meeting. He said eastbound motorists should use State Route 37 as a detour.

City and school officials said the change followed stakeholder outreach, safety analysis and discussions with the school district after parents and school…

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