Landslide buried a stretch of Washington SR-504 Spirit Lake Highway, blocked access to Johnston Ridge Observatory in @MtStHelensNVM Mt St Helens National Volcanic Monument. Spring thaw loosened eruption debris from 1980. Article from @KOINNews Portland: https://www.koin.com/news/washington/landslide-closes-both-directions-of-sr-504-near-coldwater-lake/ #geology
Aerial view by @KING5Seattle of landslide and washed-out bridge on Washington SR-504 Spirit Lake Hwy. No access to Johnston Ridge Observatory (Mt St Helens primary tourist viewpoint) until they rebuild the bridge and road. https://www.youtube.com/watch?v=aSX1Z1KBN54 #geology
Aerials: Landslide near Mount St. Helens

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"Construction set nearly 3 years after massive landslide wipes out road to Mount St Helens" by KATU News (ABC Portland) - Construction resumes next week to rebuild the missing section of Washington SR504 that was swept away in a landslide 3 years ago. The area is a challenge, built on debris from 1980 #MtStHelens eruption. Road & bridge construction should be done this Fall, allowing USFS to repair Johnston Ridge Observatory for re-opening in 2027. https://katu.com/news/local/construction-set-nearly-3-years-after-massive-landslide-wipes-out-road-to-mount-st-helens-spirit-lake-johnston-ridge-observatory-sr-504-highway #PNW #volcano #geology
Construction set nearly 3 years after massive landslide wipes out road to Mount St. Helens

It’s been three years since a massive landslide took out part of the highway leading to a Mount St. Helens observatory, and now repairs are finally underway for

KATU