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SR 520 weekend construction complete

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Date:  Monday, February 27, 2012

Contact: Jeff Switzer, WSDOT Communications, 206-819-7230 (cell)

Next up: Evergreen Point Road demolition to close SR 520 March 9-12

SEATTLE – The cranes are gone and traffic is back on State Route 520 this morning after a busy weekend of construction. Crews installed concrete girders and deck panels for lidded overpasses that will reconnect communities as part of an improved six-lane highway.

Forty huge concrete girders and nearly 300 concrete deck panels are now in place – 4 million pounds of progress at Bellevue Way and three lidded overpasses in the SR 520 corridor. If the weather cooperates this week, crews will switch local traffic to the new Evergreen Point Road lidded overpass, said Brian Dobbins, Washington State Department of Transportation SR 520 Eastside construction manager.

“Putting traffic on the new lid is a big milestone that sets us up to demolish the old, narrow Evergreen Point Road overpass in just two weeks,” Dobbins said. By December 2013, the new lidded overpass will have a park and ride, improving access to more reliable bus service in the highway median.

Construction on the Eastside project began in April 2011 and major highway closures are limited to nights and weekends to keep weekday commute traffic flowing. SR 520 closed Friday night from Montlake Boulevard across the floating bridge to Interstate 405 in Bellevue, allowing cranes to safely install 10 girders at Bellevue Way Northeast and 30 girders at 84th Avenue Northeast. Precast concrete deck panels were installed at future lidded overpasses at 92nd Avenue Northeast and Evergreen Point Road. The highway reopened just before 5 a.m. Monday.

In just two weeks, construction again will completely close the SR 520 bridge and highway. Crews plan to close the highway March 9-12 from Montlake Boulevard in Seattle across the floating bridge to I-405 in Bellevue. Weekend closure details are available at www.wsdot.wa.gov/Projects/SR520Bridge/WeekendClosures.

SR 520 Eastside project overview
The Eastside Transit and HOV Project will widen SR 520 to six lanes from Medina to Bellevue. The project includes rebuilding interchanges, building highway lids and transit stops in the center of the highway and installing fish-passable culverts. WSDOT awarded the $306 million design-build contract to Eastside Corridor Constructors, a joint venture of Granite Construction Company and PCL Construction Services.
Complete SR 520 highway construction closures are limited during the next two years to work on major structures that cross the highway. The completed corridor from Medina to Bellevue 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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