Thursday, November 5, 2015

Completion Of SR520 On target For Spring 2016 Opening

WSDOT recently published this update on the progress of SR520:

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Huge milestone: completion of the floating bridge roadway, on target for spring 2016 opening

Crews pour concrete Oct. 22

The SR 520 Floating Bridge and Landings Project reached a giant milestone last week when crews poured the final concrete deck to complete the floating bridge roadway surface. With this pour, it’s now physically possible to cross the nearly 2-mile-long roadway surface, from Medina all the way to the existing west approach bridge in Seattle.

But don’t start your engine yet! Although the bridge surface is complete, more work remains before traffic actually switches over from old bridge to new in spring 2016. Some of this work will be visible to drivers, such as installation of bridge traffic barriers and noise walls, and completion of the sentinels that will mark the east and west ends of the floating bridge. Other important work will occur unseen by passing motorists, such as installing stormwater drainage systems and bridge safety and management systems, including electronic traffic signs showing variable speed limits.


Check out our new bridge commissioning graphic to help you keep track of it all – and to jumpstart your opening-day countdown! You can also take a look at our bridge commissioning page or read about the next steps on the WSDOT Blog.   

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