Saturday, May 21, 2022
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Mendocino Coast’s State Route 1 Officially Closed After Garcia River Floods Roadway


State Route 1 between Point Arena and Manchester has officially been closed after the Garcia River breached its banks filling the roadway with at least one foot of moving water.

This is the first official road closure in the wake of the atmospheric river that is currently saturating Mendocino County’s swelling waterways and impacting roadways.

The Garcia River flooding State Route 1 [Photograph from the Cal Trans Quickmap]

Both the north and southbound of State Route 1 are closed as a result of the flooding.

As per the Caltrans Quickmap, there is no estimated time for the reopening of the closure.

Other potential road impacts that are currently being monitored include Highway 175 east of Hopland where the Russian River is predicted to reach a “minor flood” stage, as well as the Navarro River possibly impacting Highway 1 near Flynn Creek.

For the latest information regarding the status of Mendocino County’s roads, check out our article where we are monitoring the navigability of the county’s roadways.

The following Nixle Alert was issued by the Mendocino County Sheriff’s Office regarding flood warnings around the county:

NWS warns of potential for small stream and urban flooding as light rains continue through the evening. Anticipate flooding along roadways, debris, and downed trees. National Weather Service has issued Flood Watches for the following two areas: Russian River at Hopland (HOPC1): Navarro River at Navarro (NVRC1): Possiblity of flooding on HWY 175 and HWY 128. Road Closures: State Route 1 closed near Garcia River at post mark 17.5 – 18.5 due to flooding. No estimated time of opening. CalTrans and Mendocino County DOT have been responding to debris throughout the day. Remember, never drive through flood waters. If you see a downed power line, assume it is energized and extremely dangerous. Do not touch or try to move it—keep children and animals away. Report downed power lines immediately by calling 911 and by calling PG&E at 1-800-743-5002. PG&E continues to restore all power outages as they occur. Go to to view latest power outages and preparedness information. DEBRIS FLOW WARNING SIGNS: Listen and watch for rushing water, mud, and/or unusaual sounds. Unusual sounds, such as trees cracking or boulders knocking togther, might indicate moving debris. A faint rumbling sound that increases in volume is noticeable as landslides near. Movement of fences, retaining walls, utility poles, boulders, or trees. Report debris flows to 9-1-1 Again, please use caution if you’re driving and stay home if possible. Don’t Drown, Turn Around! Thank you Mendocino County!



  1. Are you going to use your drone to video the river breaching through the sand bar?.. is their signs to win it is going to happen


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Matt LaFever
Matt LaFever
Educator🔸Reporter for KMUD/ Redheaded Blackbelt/Founder of Cold Case Mendocino🔹Local News Junkie

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