State Route 904 (SR 904, named the Lt. Col. Michael P. Anderson Memorial Highway) is a 16.96-mile (27.29 km) long state highway in the U.S. state of Washington, located entirely in Spokane County. The route starts at an interchange with Interstate 90 (I-90) and U.S. Route 395 (US 395) in Tyler and travels to Cheney, serving the Eastern Washington University, before ending at I-90 and US 395 in Four Lakes.