Eastbound I-580 Richmond–San Rafael Bridge Overnight Lane Closures to Stenmark Drive On-Ramp

Scheduled Monday, May 4, 2026, through June 30, 2026, Monday-Friday, 9:00 PM to 6:00 AM

Contra Costa County & Marin County - Caltrans construction will conduct overnight lane closures on eastbound I-580 Richmond-San Rafael Bridge, impacting lanes #1 and #2 (the two far-left lanes) from the eastern end of the Richmond-San Rafael Bridge to the Stenmark Drive on-ramp in Richmond. For safety reasons, lanes #1 and #2 will be closed nightly Monday beginning, Monday, May 4, 2026, through June 30, 2026, between 9:00 PM and 6:00 AM, to facilitate permanent repairs to the Scofield Avenue undercrossing.

Drivers are advised to adhere to the reduced speed limit of 40 MPH and prepare to merge. No construction or visible work is taking place on I-580 for this project.

The Richmond-San Rafael Bridge remains safe and open for travel despite ongoing lane closures. Permanent repairs to the Scofield Avenue undercrossing tentative scheduled to be completed by July 2026.

To receive advisories for the Richmond San Rafael Bridge Sign Up Here

Feel free to visit The Richmond San Rafael Bridge Website

Traffic Control Measures:
Changeable Message Signs (CMS) will alert drivers ahead of closures.
Motorists should expect 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, please visit 511.org: https://x.com/511SFBay
For real-time information, visit Caltrans QuickMap: https://quickmap.dot.ca.gov
Follow us on X: https://x.com/CaltransD4
Or call 1-800-472-7623, 1-800-427-ROAD for state highway conditions statewide.