The State Route 520 Bridge was set to be closed overnight, until 5 a.m. Sept. 14, for construction related to the SR 520 Eastside project.
Crews were set to close both directions of SR 520 from Montlake Boulevard in Seattle to I-405 in Bellevue, from 11 p.m. Thursday, Sept. 13, to 5 a.m. Friday, Sept. 14, to complete utility work across all highway lanes.
From the Washington State Department of Transportation:
During the closure, crews will remove overhead power and cable lines just west of the Bellevue Way overpass. The lines are being relocated to create space for cranes and other tall equipment that will be used to build the future westbound SR 520 off-ramp to Bellevue Way.
“We’re moving these lines to prevent workers and equipment from running into them during construction activities and to make sure power and cable service is uninterrupted while we widen SR520,” said Brian Dobbins, construction manager for the Washington State Department of Transportation’s SR 520 Eastside Transit and HOV Project. “We need to close the road to move the necessary removal equipment into place and get those lines out of the way.”
SR 520 floating bridge maintenance crews will also take advantage of the closure to conduct inspection and repair work.
Two sections of SR 520 will remain open to traffic during the overnight closure: I-5 to Montlake Boulevard and areas east of I-405.
The work is part of the SR 520 Eastside project.
Another closure is coming up next weekend, from 11 p.m. Friday, Sept. 21, to 5 a.m. Monday, Sept. 24, WSDOT said.