WINTHROP, Wash. — A landslide brought on by heavy rain in western Washington Thursday night closed a portion of SR 20 about 30 miles west of Winthrop, Friday.
The closure happened between mileposts 134 and 171 on SR 20, also known as the North Cascades Highway.
The Washington State Department of Transportation (WSDOT) reopened the road at 4 p.m. after crews spent the day clearing debris.
Landslides are caused by disturbances in the natural stability of a slope. They can accompany heavy rains or follow droughts, earthquakes, or volcanic eruptions.
An atmospheric river drenched western Washington Thursday into Friday morning, causing minor river flooding and standing water on multiple roadways.
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