Three Lanes Remain Closed on Richmond/San Rafael Bridge as Repairs Continue on Westbound Interstate 580 (I-580) Due to Crash


Stenmark Drive on-ramp in Richmond remains closed

CONTRA COSTA COUNTY AND MARIN COUNTY — The three far-right lanes remain closed on Westbound Interstate 580 (I-580) on Friday, Oct. 13 at the toll plaza of the Richmond/San Rafael Bridge due to a crash that happened on Monday, Oct. 9 involving a big rig.

Repairs to the toll plaza could take about three weeks to ensure the safety of the traveling public. Moveable concrete barriers (K-Rail), channelizers and striping are being installed to ensure the safety of the crews working on the bridge.

Map showing I-580 at the Richmond-San Rafael Bridge.The canopy and the permanent safety components will be repaired in the three far-right lanes throughout the month of October.

A big rig crashed into the toll plaza around 10 p.m. on Monday, Oct. 9. All lanes were closed, but four reopened around 8:30 a.m. on Tuesday, Oct. 10.

The three far-right lanes remain closed as crews work to fully reopen the bridge. No wide-load trucks are allowed on the bridge Those vehicles should take alternate routes such as State Route 37 (SR-37) to get into Marin County.

Also, the Stenmark Drive on-ramp in Richmond onto Westbound I-580 continues to be closed.

Detour for Stenmark Drive on-ramp closure
From Stenmark Drive, take Eastbound I-580
Take the Canal Boulevard off-ramp
Take a left on Canal Boulevard
Take a left to get onto the on-ramp to get onto Westbound I-580

Eastbound I-580 on the Richmond/San Rafael Bridge remains fully open.

Changeable message signs in the area have been activated to assist motorists. Drivers should expect delays.

The bicycle lane on the Richmond/San Rafael Bridge is closed on selected dates in October and November to allow Caltrans crews to inspect the bridge and the bike lane as required by regulators. The bike lane on the bridge is bidirectional, located on the upper deck, or westbound, direction of the bridge. During the closure, Caltrans will operate a bike shuttle to transport cyclists and their bikes. Pickup/drop-off stations will be located at each end of the bridge: In Richmond at the Stenmark Drive bridge entrance and in San Rafael at the Vista Point.

For more on the bike lane closures, click here or go to

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