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SR 520 - Floating Bridge and Landings Project: What's Happening Now?


Updated: July 21, 2017 

The new SR 520 floating bridge is open to traffic in both directions.

Current work


Lane and ramp closures

Please visit the SR 520 Orange Page for closure information, including any upcoming closures of the bicycle and pedestrian path on the floating bridge.

Light from new bridge

Over the past year, WSDOT worked with lakeside residents north of the bridge to evaluate several different options to reduce nighttime light visible from light fixtures along the bridge’s bicycle and pedestrian path.
During a June 2017 community meeting, the attendees agreed that installation of louvered shields on the light fixtures was the best option for addressing community needs and meeting established safety and cost criteria.

WSDOT anticipates that the shields will be installed this fall.

Shared-use path lighting updates

Meetings and materials 
In June 2017, WSDOT hosted a community meeting to discuss WSDOT’s evaluation of the shared-use path's lights and potential solutions:

In November 2016, WSDOT and representatives from the 46th Legislative District hosted a community meeting to discuss WSDOT’s evaluation of the lights on the SR 520 regional shared-use. Linked below are the materials presented at the briefing:

In November 2016, WSDOT staff met with elected officials to review the latest results from evaluations of the lights along the regional shared-use path. See the materials presented at the briefing (pdf 2.2 mb).

If you have questions or comments concerning lighting on the new bridge, please contact us at  

Noise from new bridge

Shortly after the new SR 520 floating bridge opened to westbound traffic in April 2016, Medina residents began expressing concerns about sounds coming from the new bridge. At that time, we began conducting an investigation that included collecting sound measurements on both the old and new floating bridges.

We also heard from some Seattle residents on this topic. The west end of the new bridge is still in an interim configuration as WSDOT and our contractors work to complete the west approach bridges between Montlake Boulevard and the new floating bridge.

Meetings and materials

We are keeping track of those who notify us about sounds from the new bridge and will include everyone in future updates. If you have questions or comments concerning this noise question, please contact us at and include on your email.