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2.8   Seattle (USA) Floating Bridge

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In 1940 a 2018-m-long floating bridge, the First Lake Washington Bridge, also called the Lacey V. Murrow Bridge, was completed in Seattle, using concrete pontoon girders, and was followed by the Hood Canal Bridge in 1961, the Second Lake Washington Bridge, also called the Evergreen Point Bridge, in 1963 and the Third Lake Washington Bridge, also called the Homer Hadley Bridge, in 1989. The original Lacey V. Murrow Bridge was found to cost five times less than any other alternatives. Fig. 15 shows the First Lake Washington Bridge (left) and the Third Lake Washington Bridge (right). Fig. 16 shows the Hood Canal Bridge. The first Lake Washington Bridge was accidentally sunk during repair work in 1990 and was reconstructed in 1993. The Hood Canal Bridge was damaged and sunk by a severe storm in 1979 and rebuilt in 1983 (Watanabe, 2003).

 Fig. 15 Lacey V. Murrow bridge (left) and 3rd Lake Washington bridge (right).

 Fig. 16 Hood Canal bridge.

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