Replacement of the SR520 Portage Bay bridge will begin in 2024.  The Portage Bayshore residents will be offered noise reduction options, including hotel rooms should noise exceed limitations.

 

Follow this link for updated information about the SR 520 Bridge Replacement project -

https://wsdot.wa.gov/construction-planning/major-projects/sr-520-bridge-replacement-and-hov-program

Cross Section of SR520 Tube

View looking across Portage Bay with WSDOT changes

View across Portage Bay with Tube WSDOT changes