Contra Costa County & Marin County — Caltrans continues overnight maintenance work on westbound Interstate 580 (I-580) Richmond-San Rafael Bridge, with scheduled lane closures to complete camera repairs, electrical work, and concrete work. Motorists should expect reduced lanes and merging traffic near work zones. Bike shuttles will be provided for those impacted by these closures.
Closure Schedule (Westbound I-580):
- Thursday, January 22, 2026
- 12:00 AM to 4:00 AM
- Lane 1 closed
- Friday, January 23, 2026
- 9:00 PM to 6:00 AM
- Lane 2 & Bike path closed
- Saturday, January 24, 2026
- 8:00 PM to 5:00 AM
- Lane 2 &Bike path closed
Additional overnight work may continue as needed to complete remaining activities.
Traffic Control Measures:
Changeable Message Signs (CMS) will alert drivers of closure. Motorists should expect minor delays, reduce speed, and plan extra travel time.
Please use caution and be prepared for merging traffic near work zones.
For 24/7 traffic updates, follow 511.org on Twitter. For real-time traffic, visit Caltrans QuickMap.
| CleanCA.com | #BeWorkZoneAlert | Twitter | Facebook | YouTube |