10:00 PM on Friday, June 26, through 6:00 PM on Sunday, June 28, 2020 – Full Highway Closure on State Route 12 for Mokelumne River Bridge Repairs


The California Department of Transportation (Caltrans) is planning an additional, 44- hour, full highway closure of eastbound and westbound State Route 12 (SR12) between SR-160 and Interstate 5 (I-5) for repair work on the Mokelumne River Bridge located at the San Joaquin/ Sacramento County line.

Updated schedule:

  • 44-hour full closure – starting at 10:00 PM on Friday, June 26, through 6:00 PM on Sunday, June 28, 2020, to complete the final polyester concrete overlay, matching the bridge grade to the roadway grade.

Motorists should consider I-5 and I-80 as alternate routes and should allow additional travel time due to the detour. Detour routes are below (an approximate 30-mile, 45- minute detour) and will be posted:

  • Traveling Eastbound on SR-12, take SR-160 north to Walnut Grove-Thornton Road to I-5
  • Traveling Westbound on SR-12, take I-5 north to Walnut Grove-Thornton Road to SR-160 south

About Kevin

Mayor - City of Oakley, Manager of Mainframe Operations and Optimization – USS-POSCO INDUSTRIES, Co-Founder and Board Member - Friends of Oakley A Community Foundation, Commissioner - Contra Costa Transportation Authority, Board Member - Tri Delta Transit, Transplan, San Joaquin Joint Powers Authority and RD 2137, Advisory Board – Opportunity Junction
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