State Route 504 near Coldwater Lake is closed in both directions after a debris slide late Sunday night, the Washington State Department of Transportation said. Coldwater Lake is within Mount St. Helens National Volcanic Monument. The slide occurred just before 9 p.m. on Sunday night, and there was no estimated time for reopening the roadway as of 9:30 a.m. Monday morning. WSDOT said drivers should plan for an extended closure. There may be significant structural damage to the roadway, according to WSDOT. Read more: https://www.king5.com/article/news/local/sr-504-coldwater-lake-mount-st-helens-closed-debris-slide/281-6d452110-62d0-4f42-aa97-006444eae332