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Part of State Route 20 at milepost 173, six miles east of Mazama, was washed out due to massive mudslides caused by wild weather, Washington State Patrol Trooper Jacob Kennett said on Wednesday.
The highway reopened at around noon on Thursday.
The mudslide was estimated to be at least 300 feet long.
The Washington State Department of Transportation said SR 20 was closed between milepost 134 near the Ross Trailhead and milepost 173 near Mazama due to the slide.
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📸From the SR 20 #NorthCascadesHwy slide that our crews worked hard to clean up so we could reopen the road. Crews closed SR 20 from Ross Dam to Mazama last night (9/14) due to a slide. It reopened at noon today (9/15). Slides like these serve as reminders to always be prepared. pic.twitter.com/90MQx89pRK
— WSDOT North (@wsdot_north) September 15, 2022
Heads up! The North Cascades Highway is now closed. SR 20 closed at MP 146 to prevent drivers from getting too close to this situation near Mazama. https://t.co/Mfj0vK1gpw
— WSDOT North (@wsdot_north) September 15, 2022
Good morning. We have 2 cross-state highways that are closed right now.
— WSDOT Traffic (@wsdot_traffic) September 15, 2022
Both directions on SR 20 are closed between mileposts 134 (Ross Dam) & 173 (west of Mazama).
Both directions on US 2 are closed between mileposts 35 (Index-Galena Rd) & 49 (east end of Skykomish).#PlanAhead pic.twitter.com/lqQNEXnVeq
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