The SR 520 floating bridge and mainline are open. There are no SR 520 construction closures scheduled at this time. For more information about SR 520 closures and construction activities, visit our Orange Page.
Missed our "MWDBE" SR 520 A&E contract opportunities open house? Materials now available online
WSDOT hosted an open house on June 2 at the Seattle Central Library to promote potential SR 520 contract opportunities in engineering and design for Minority, Women and Disadvantaged Business Enterprises (MWDBE). Meeting materials are now available online.
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