The State Route 520 Bridge will be closed all weekend for construction starting tonight at 11 p.m., according to the Washington State Department of Transportation.
Crews plan to work through the weekend on maintenance and construction, including inspection and repairs to the floating bridge, demolishing the old 84th Avenue Northeast overpass and installing more than 200 concrete panels as part of a new lidded overpass at Evergreen Point Road.
During the closure, drivers will have to find another way across or around Lake Washington from 11 p.m. Friday, July 13, until 5 a.m. Monday, July 16. All lanes and ramps will be closed between Montlake Boulevard in Seattle and Interstate 405 in Bellevue.
The next full weekend closure is tentatively schedule for Aug. 10-13.