2016 Seattle WA under construction 12.

Pontoon bridge seattle. 1822 Cologne NRW demolished 9. The Hood Canal Floating Bridge lies thirty miles northeast of Seattle. 1959 Bochum NRW in use 7.

He had the idea in 1921 of building concrete barges with a deck to create a pontoon bridge over Lake Washington. Upon exiting the Mercer Island Lid comes the icing on the cake. In 1967 the Lake Washington Floating Bridge will be renamed the Lacey V.

1978 Georgetown in use 8. The worlds first floating bridge to be built using concrete pontoons it was designed by engineer Homer Hadley and constructed by the Puget Sound Bridge and Dredging Co at a price tag of 9 million. As Seattle comes into view so does the Mount Baker Tunnel which is deep beneath the hill that contains this lakeside neighborhood of the same name.

An early pontoon bridge was constructed in 480 bce by Persian engineers to transport Xerxes invading army across the Hellespont Dardanelles. Its the worlds longest floating bridge over an expanse of ocean water. The bridge carries US 10 later decommissioned and renamed Interstate 90 across the lake from the Mount Baker neighborhood of Seattle over Mercer Island to a point south of Bellevue.

The six-lane bridge carries State Route 520 across Lake Washington from Seattle. The bridge carries the eastbound lanes of Interstate 90 across Lake Washington from Seattle to Mercer Island Wash. Evergreen Point Floating Bridge.

Wikipedia for more info. Kurt Schlosser GeekWire WSDOTs Dave Becher left and Greg Meadows stand. The Pontoon Construction Project broke ground in February 2011 at a 55-acre site in Aberdeen Washington.