Washington State Route 520

State Route 520 (SR 520) is a state highway in the Seattle metropolitan area in the U.S. state of Washington. The highway's west end is at Interstate 5 (I-5) in Seattle. Its east end is at SR 202 in Redmond. The highway also meets I-405 in Bellevue. The highway is long.
The highway goes over Lake Washington using the Evergreen Point Floating Bridge.