Daytime and Overnight Eastbound I-580 Lane Closures on the Richmond-San Rafael Bridge Begin Oct. 19

Closures Support Structural Steel Cleaning and Painting

Contra Costa and Marin Counties - Caltrans construction is scheduled to begin structural steel cleaning and painting work on the Richmond-San Rafael Bridge on Monday morning, Oct. 19, 2026, at 4:30 a.m. The project will require daytime and overnight lane closures on eastbound Interstate 580 Richmond-San Rafael Bridge. For current Caltrans District 4 lane closure information click here.

To ensure the safety of both the traveling public and construction personnel, motorists are advised to anticipate daytime (Sun.- Thurs.) and overnight (Mon.-Fri.) lane closures from between 7 p.m. and 2 p.m. Crews will install suspended work platforms and protective containment, remove existing paint and apply new paint to help protect the bridge's structural steel.

Closure details

• Project schedule: Oct. 19, 2026, through Dec. 29, 2028, tentatively.
• Work and closure window EB I-580: Sunday through Thursday
  • 7 p.m. to 2 p.m. - 1 lane closed
  • 9 p.m. to 6 a.m. - 2 lanes closed

**All work is weather dependent and subject to change**

What Travelers Can Expect

Drivers should expect fewer available lanes, preparing to merge and delays. Please allow extra travel time and follow posted signs and directions from crews.

Caltrans thanks travelers for their patience as we complete this bridge preservation work.

Changeable Message Signs (CMS) will provide advance notice of scheduled closures. Motorists are advised to plan ahead, allow additional travel time, prepare to merge and remain alert for crews and equipment.

Safety is Caltrans' top priority. Please slow down and Be Work Zone Alert when traveling through the corridor.

Caltrans encourages motorists to stay informed, reduce driving speeds in work zones.

For email updates on the Richmond San Rafael Bridge Traffic Advisory Sign-Up Form