"The Spokane Complex Fire is made up of the Old Trails Fire, which has burned 3,619 acres; the Fairview Fire, which has burned 1,056 acres; and the Autumn Lane Fire, which has consumed 3,351 acres, according to federal incident management.Sen. Spokane County Fire District 3 Fire Chief Cody Rohrbach said 640 structures were destroyed in the Old Trails Fire alone.Brown said Monday that it was unclear when most evacuees would be able to return to their homes but that it "could be a week, could be weeks. "Authorities have not yet determined how many of the damaged or destroyed structures are homes, businesses or schools.Gov. The California Department of Forestry and Fire Protection, known as Cal Fire, is coordinating two of the national crews — California-based incident management teams 4 and 7. The driver, Travis Campbell, told NBC News that he shot the video around 8 p.m.