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The original item was published from 1/1/2023 8:56:00 AM to 1/1/2023 9:27:48 AM.

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Posted on: January 1, 2023

[ARCHIVED] Road Closures due to Flooding

Flooding on Pacheco Blvd

Contra Costa County Public Works has responded to close several roads due to flooding, mudslides, and other issues. Below is the current status of roads in unincorporated Contra Costa County:

  • Marsh Creek Road is closed between Round Valley Regional Preserve (19450 Marsh Creek Road, Brentwood) and Clayton Road due to flooding and mudslides/rocks on the roadway.
  • Happy Valley Road is closed between Bear Creek Road & the Lafayette City Limit due to a tree that has fallen across the road. Please avoid the area.

Drive safely. Never attempt to cross flooded roads-driving, riding, or walking. If the power is out, treat ALL traffic signals like stop signs. YOUR safety is OUR priority!  

Contra Costa County Sandbag Locations  - 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.


About Contra Costa County Public Works Department:

Contra Costa County Public Works Department (CCCPWD) maintains over 660 miles of roads, 150 miles of streams, channels, and other drainage, and over 150 County buildings throughout Contra Costa County. CCCPWD provides services such as Parks and Recreation, Sandbag Distribution, and Flood Control throughout unincorporated areas of Contra Costa County. For more information about CCCPWD, please visit us at 


Contact: Kelly Kalfsbeek 925.313.2115


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