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Explore 520 Floating, Floating Bridge and more!

Almost there! Pontoons B, C and D were placed in the floating bridge alignment on July 8, 2015. All longitudinal pontoons are now in place and the new floating bridge reaches from Medina to Seattle. Pontoon A will be placed at the west end of the new bridge in late July, officially making the new bridge the World's Longest Floating Bridge.

Evergreen Point Floating Bridge

Evergreen Point Floating Bridge (the world's longest floating bridge). The bridge spans Lake Washington between Seattle and Medina.

"Evergreen Point Floating Bridge 8-Lane Toll Plaza, Seattle, Washington. This plaza is located at the east end of the Second Lake Washington Floating Bridge, the longest floating bridge in the world. Opened August 28, 1963 and now connecting Freeway 405 east of Lake Washington with Freeway Interstate 5 west of Lake Washington, this bridge carries an average of over 31,000 cars daily." Via Vintage King County Washington on Facebook.

The foundation for a new lidded overpass above SR 520 at Evergreen Point Road is photographed on May 2, 2012. In the foreground, early work is under way on the SR 520 Floating Bridge and Landings project which replaces the aging SR 520 floating bridge across Lake Washington. The new floating bridge is targeted to be open to traffic in late 2014.

The new Highway 520 floating bridge, seen looking west from the Evergreen Point Lid in Medina, will open in April, with several public events planned before traffic gets moving. (Mike Siegel/The Seattle Times)