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News Release

FOR IMMEDIATE RELEASE: Thursday, November 6, 2008

I-405 lanes to close for NE 10th construction

Support columns for the Northeast 10th Street overpassWith crews building a new bridge across Interstate 405 for an extension of Northeast 10th Street, the state Department of Transportation will close lanes on the highway at downtown Bellevue at night for a couple of weeks, starting Monday, Nov. 10.

Extending Northeast 10th Street over I-405, a joint WSDOT-City of Bellevue project, will provide a direct connection between downtown Bellevue and the city's growing hospital district east of the highway. It will also relieve congestion on busy Northeast Eighth Street. 

In addition to the lane closures on I-405, there will be lane and ramp closures on State Route 520. WSDOT will test soil at various points in preparation for construction to improve the SR 520 corridor.

Northeast 10th Street Bridge
Starting Monday, Nov. 10, crews working for WSDOT will hoist large steel girders into place above Interstate 405. Construction will take place from 11 p.m. to 5 a.m. on weekday nights from Nov. 10 to Nov. 25. Though WSDOT will avoid a full closure of the freeway, the work will require closing three lanes of I-405 between Southeast Eighth Street and SR 520, as well as ramp closures in downtown Bellevue.

The State Patrol will slow traffic for several minutes at a time so crews can safely place girders on support columns in the middle of the highway. Drivers should expect short delays as night traffic is funneled down to one lane.

WSDOT provides dates and locations of the ramp and lane closures as well as background on the Northeast 10th Street bridge project.

SR 520
This week, WSDOT crews began geotechnical drilling along ramps near the interchange at SR 520 and 108th Avenue Northeast in Bellevue. Both daytime and nighttime drilling will be done, but most of the work will take place between 10 p.m. and 5 a.m.

The soil testing is part of the design process for the new SR 520 corridor, including eventual replacement of the floating bridge. Drilling work will continue along the 520 corridor through March 2009, but not all of it will occur in Bellevue.

In the coming weeks there will also be some night lane closures, but crews will keep ramps and at least one freeway lane open in each direction at all times. Night drivers may experience traffic delays and neighbors in close proximity to the drilling may hear construction equipment and a hammering sound during the work.

WSDOT offers online drilling schedules and locations.

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