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A pontoon bridge (or ponton bridge), also known as a floating bridge, uses floats or shallow-draft boats to support a continuous deck for pedestrian and vehicle travel. The buoyancy of the supports limits the maximum load that they can carry.
Whatever their materials might be, floating bridges all have one in thing in common – they really do float. Cross on over to the next page, and you'll see that these special structures have a long, fascinating history that, well, bridges all sorts of engineering territory. Contents. A Boat-like Bridge to History.
The 10 Longest Floating Bridges in the World. A survey of pontoon bridges that push the limits of the technology. By Scott Lewis. 1. Evergreen Point Floating Bridge, Seattle, U.S.A., 2,350...
The Evergreen Point Floating Bridge, also known as the 520 Bridge and officially the Governor Albert D. Rosellini Bridge, carries Washington State Route 520 across Lake Washington from Seattle to its eastern suburbs.
Floating bridges, technically termed pontoon bridges, are innovative structures facilitating passage over water bodies where constructing permanent bridges isn't feasible. These bridges rely on pontoons or barges floating on the water's surface, especially beneficial in deep or soft-bottomed waterways.
Floating bridges operate on a similar principle—each pontoon, or floating dock, acts like a colossal buoy, supporting the bridge deck above the water’s surface. But it’s not simply a matter of floating; the real art lies in load distribution.
Pontoon bridge, floating bridge, used primarily but not invariably for military purposes. Because they obstruct navigation, floating bridges are limited in nonmilitary applications, yet several long-span floating bridges have been built in modern times.
The Evergreen Point Floating Bridge stretches across Lake Washington, connecting Seattle to its eastern suburbs. When it opened in 2016, it immediately entered the record books as both...
The Hood Canal Bridge (officially William A. Bugge Bridge) is a floating bridge in the northwest United States, located in western Washington. [2] It carries State Route 104 across Hood Canal in Puget Sound and connects the Olympic and Kitsap Peninsulas.
The story of Lake Washington ’s first floating bridge begins with a man shaving. Homer M. Hadley, a 34-year-old civil engineer, had spent years thinking about what he considered one of the biggest engineering challenges around the Northwest—how to bridge vast, deep, muddy Lake Washington, bringing the bounty of the Eastside to the budding ...