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SR 520 bridge, highway reopened after construction, overpass demolition

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Date:  Monday, March 12, 2012

Contact: Jeff Switzer, WSDOT SR 520 communications, 206-819-7230 (cell)

SEATTLE – The State Route 520 floating bridge reopened this morning after crews worked through the weekend to demolish the old Evergreen Point Road overpass in Medina and install major stormwater drainage pipes beneath the highway.

The highway closed to traffic Friday night to make way for demolition equipment. Steel and an estimated 50 dump trucks of concrete demolition debris from the 50-year-old Medina overpass will be recycled this week, said Brian Dobbins, construction manager for the Washington State Department of Transportation’s SR 520 Eastside Transit and HOV Project.

About 100 construction workers used the weekend closure for demolition, pouring concrete overpass decks, digging trenches for storm drains and grinding smooth a rough stretch of the highway near 84th Avenue Northeast.

“We had a long list of work going into the weekend – and were short an hour because of daylight saving time – but crews buttoned everything back up in time for today’s commute,” Dobbins said.

Now that the old Medina overpass is gone, crews can shift gears to build new concrete supports for the remainder of the new Evergreen Point Road lidded overpass, which is expected to be completed during the next 18 months. When complete, the new overpass will measure 485 feet long and include transit access, a park and ride lot, and paths and open space to help reconnect the community.

Future weekend construction closures will be posted online as they are confirmed. Nighttime construction closures also are listed online.

SR 520 Eastside project overview
The Eastside Transit and HOV Project is widening SR 520 to six lanes between Medina and Bellevue. Crews are rebuilding interchanges, constructing highway lids and bus stops in the center of the highway and installing fish-passable culverts. WSDOT awarded a $306-million design-build contract to Eastside Corridor Constructors, a joint venture of Granite Construction Company and PCL Construction Services.

Full closures of SR 520 for construction are limited during the next two years. The completed Medina to Bellevue corridor is scheduled to open to traffic in December 2013. More information about the SR 520 Eastside project is online at www.wsdot.wa.gov/Projects/SR520Bridge/MedinaTo202.


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