Update: Benicia Bridge Work On Hold – Steel Weld Inspection & Plate Repairs Continues on Carquinez Bridge

Contra Costa & Solano Counties - Caltrans is performing essential T1 Steel Weld Inspection Project weld inspections and repairs on the Carquinez Bridge (I-80) and Benicia-Martinez Bridge (I-680). This work is critical to maintaining the ongoing structural integrity of both bridges.

Due to steel plate fabrication lead times, Benicia Bridge work is on hold up to 2 weeks. Carquinez Bridge closures are now expected to continue through February 2026, weather permitting.

Schedule:

Benicia Bridge Southbound I-680 Lane Closures

• Work On Hold
  No lane closures scheduled. Work in Bike path expected through January 2026.

Carquinez Bridge Eastbound I-80 Lane/Ramp Closures

• Monday-Thursday: 3AM - 12PM
  Friday/Saturday: 12AM - 9AM
  Full Closure: EB I-80 Onramp from Pomona St/San Pablo Ave
  Lane Closures: EB I-80 Lanes 3 and 4 from Refinery Rd to Carquinez Toll Plaza

The work is expected to continue:
Carquinez Bridge Closures through February 2026
Benicia Bridge Closures through January 2026

All work is weather dependent and subject to change.

Drivers may experience minor delays and are advised to plan ahead and allow extra time. Be work zone alert, drive with caution through the work zone. For 24/7 traffic updates, follow 511.org on Twitter. For real-time traffic, visit Caltrans QuickMap.

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