Inside the world’s longest floating bridge: How engineers made Seattle’s new Lake Washington span bigger, better and safer. by Kurt Schlosser on March 30, 2016 at 6:00 am April 3, 2016 at 7:51 am ...

Lake Washington is the second-largest lake in Washington, spanning over 21,500 acres. The deepest point in the lake is close to 214 feet and is about 200 feet deep on average.

Dave Becher, Washington State Dept. of Transportation floating-bridge and landings project director, is overseeing construction of the world’s longest floating bridge—on Lake Washington, in ...

1963: The world’s longest floating bridge, the Evergreen Point bridge, opens. It connects Seattle with communities on the east side of Lake Washington. Pontoon bridges have been around since ...

Why do we have floating bridges on Lake Washington? Images courtesy of WSDOT [enlarge] The new floating bridge rests atop 77 concrete pontoons, the largest of which weigh 22 million pounds.

Many of the people traveling across one of Lake Washington’s floating bridges likely take the innovative spans for granted, but when the lake’s very first floating bridge opened to traffic on ...

Four bridges across Lake Washington. One bridge across Puget Sound. U.S. 99 to remain the main north-south highway, with U.S. 10 – the Sunset Highway – the main east-west highway.

From the Hood Canal to the Duwamish River, travelers a continent away from Baltimore understand the disoriented feeling when a bridge collapses into ruins. However, none of the modern bridge ...

That project is separate from one to replace the Interstate 195 Washington Bridge over the Seekonk River, which was suddenly closed to traffic late last year because of structural problems.

Lake Washington is the second-largest lake in Washington, spanning over 21,500 acres. The deepest point in the lake is close to 214 feet and is about 200 feet deep on average.

That's what faced Washington state engineers who set out to bridge Lake Washington. And they'd done it before, with the shorter Lake Washington Floating Bridge, opened in 1940.