A world-first all-concrete marina pontoon float is being trialled at Falmouth Harbour as part of moves to phase out polystyrene from its marine operations. The new ‘Reef Float’, designed and built by ...

Built in 1963, the first Evergreen Point Floating Bridge served as a critical connector for more than 70,000 vehicles moving across Lake Washington each day. Spanning 7,578 feet, it represented the ...

A view from the eastern side of Lake Washington, looking back beneath the new, right, and old SR 520 floating bridges. (Kurt Schlosser / GeekWire) One of the more important aspects of a floating ...

Permanent floating bridges are essentially boutique structures that only make sense for certain rare kinds of sites: unusually deep bodies of water and bodies of water with very soft bottoms, where ...

For more than a decade, the construction world has kept an eye on efforts to build a new State Route 520 floating bridge—the world’s longest—which connects Seattle to points east on Lake Washington.

The first six concrete pontoons for the new Highway 520 floating bridge on Lake Washington will be floated from their Tacoma graving yard this week. Crews will tow pairs of pontoons out of Concrete ...

BELLEVUE -- The fishing harbor in Craig, Alaska, is sheltered from the stormy offshore seas and howling winds by a piece of Eastside history -- a pontoon from the old Interstate 90 floating bridge.