Creeping Floating Bridge

The replacement for the SR520 floating bridge is creeping across Lake Washington from east to west.  The existing bridge used to draw open at its midpoint to allow arbitrarily tall marine traffic through.  Openings were reasonably disruptive to vehicular traffic, requiring a 30 minute closure and a fleet of WSDOT flagging trucks.

The new bridge will limit traffic to 70 feet underneath its east navigation channel.


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