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SR 520 - Contact Us

Contact information:



  • 206-770-3500 (reception desk)
  • 206-770-3554 (staffed 8-5, Mon-Fri)

Social media : Youtube | Twitter (@WSDOT_520) | Flickr

Mail: SR 520 Bridge Replacement and HOV Program
999 Third Ave., Suite 2200
Seattle, WA 98104

Sign up for email updates about the SR 520 program

SR 520 Ombudsman:

Phone: 206-770-3659

Get weekly updates via email

Visit the WSDOT email updates page, enter your email address, and under "Construction Reports" select one of the following:

"SR 520 Bridge Replacement and HOV Program"
The weekly update on the entire program, from I-5 to I-405. Includes information on highway closures, construction milestones, and upcoming public meetings.

"SR 520 West Approach Bridge North Project"
Construction is underway in Seattle as we build the West Approach Bridge North (WABN). This weekly update focuses on impacts in the Montlake and Madison Park neighborhoods.

Note: The Washington State Department of Transportation is a public agency and is subject to the State of Washington’s Public Records Act (RCW 42.56). Therefore, public comments and questions may be made available to anyone requesting them for non-commercial purposes.