Schedule: Monday, June 16, 2025, through Friday June 27, 2025,9:00 PM to at 6:00 AM each night
Marin and Contra Costa Counties – Caltrans District 4 continues bridge maintenance and inspection work on the Richmond-San Rafael Bridge (I-580). The work will include deck repairs and improvements requiring temporary lane and shoulder closures over multiple weeks to ensure worker safety and preserve the structure.
Eastbound I-580 (EB 580) Closure:
Right shoulder and Lane #2-Closed Monday, June 9,2025 through Friday, June 27, 2025, 9:00 PM – 6:00 AM (nightly)
Westbound I-580 (WB 580) Closure:
Lane #2-Closed Monday June 11,2025, through Friday, June 27, 2025, 9:00 PM – 6:00 AM (nightly)
***All work is weather dependent. ***
Traffic Control Measures:
Changeable Message Signs (CMS) will alert drivers ahead of closures. At least one lane will remain open in each direction during work hours. Motorists should expect minor delays, reduce speed, and plan extra travel time. Please use caution and be prepared for possible merging traffic near work zones. For 24/7 traffic updates, follow 511.org on Twitter. For real-time traffic, visit Caltrans QuickMap.
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