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SR 520 Bridge Replacement and HOV Program


Advisories

The eastbound lanes of SR 520 from Montlake Boulevard to the highway's East Lake Washington Boulevard on-ramp will close the night of May 4-5 and again the night of May 18-19 for utility work. Learn more by visiting our Highway Closures page.


Current News

Expect limited parking in Montlake for Opening Day of boating season

Boating season’s Opening Day is May 2 this year, but festivities will occur from Thursday through Sunday. If you are heading into the Montlake area to watch the Windermere Cup or the boat parade, be aware that two traditional parking areas are closed due to SR 520 construction. Read more ...


Program Overview

The SR 520 Bridge Replacement and HOV Program is enhancing public safety and mobility by replacing the highway's aging, vulnerable bridges and making significant transit and roadway improvements throughout the corridor. The construction program's planned improvements extend from I-5 in Seattle to I-405 in Bellevue.

Click a project title for more information
SR 520 Projects - Click project titles for more information


Project photos on Flickr

final pontoon float-in View latest project photos on Flickr.

Live construction cameras

installation of east transition span
See views from live construction cameras.

Contact Information:  

YouTube

Flickr

Good To Go!

Email

Email: SR520bridge@wsdot.wa.gov

Phone: 206-770-3500

More information on Program Contact Us