Current Road Closures in Unincorporated Contra Costa County
Contra Costa County, CA (January 2, 2023) – Due to flooding, mudslides, and other issues caused by the recent storms, Contra Costa County Public Works has closed the following roads until further notice:
- Marsh Creek Road is closed between Deer Valley Road & Morgan Territory Road due to continued rock and mudslides. Only residents are allowed in the area. Please take alternate routes to avoid this area.
- Morgan Territory Road is closed between 5477 Morgan Territory Road-5649 Morgan Territory Road due to mudslides. Only residents are allowed in the area.
- Deer Valley Road is closed to all traffic in both directions between Briones Valley Road and Marsh Creek Road due to a sinkhole. Please take alternate routes to avoid this area.
- Highland Road is closed between Collier Canyon Road and Camino Tassajara due to rock/mudslides. Only local traffic is allowed through the area as crews work to clear the road.
Signs have been posted to alert drivers of the road closures. Current road closure information is located under the news section of the Public Works Department’s webpage at: www.cccpublicworks.org Drivers are asked to avoid these areas and limit travel during stormy weather. Do not attempt to cross flooded roads. If the power is out, treat ALL traffic signals like stop signs.
County Public Works Maintenance crews are assessing all County sandbag stations and will replenish sand and sandbags in anticipation of future storm events. Sand & sandbags are free, please bring a shovel. To find the sandbag station near you visit: contracosta.ca.gov/sandbags