King County District 44, also known as Mountain View Fire and Rescue, and Enumclaw-King County District 28 responded to a structure fire around 4:30 p.m. Wednesday south of the White River Amphitheatre. According to reports, the residence appeared to be unoccupied and was fully-involved when firefighters arrived. State Route 164 was closed down in the area during the evening commute and traffic was redirected. A cause has not yet been determined.