U. S. Highway 12 near Greer was closed on August 12, 2026, due to the Mile Marker 50 Fire, according to the Idaho Department of Transportation. The fire burned 7 acres as of 6:50 p.m. on August 12, with both lanes of the highway shut down between the Clearwater-Lewis county line and Greer.
The fire is burning above U. S. Highway 12 on the opposite side of the Clearwater River from Greer, per a map from the Grangeville Interagency Dispatch Center. The closure affects drivers traveling along the scenic route that follows the Clearwater River. The Idaho Department of Transportation is managing the closure and providing updates on the situation.