About the author  ⁄ W. Gregory Hess, P.E. S.E.

W. Gregory Hess, P.E., S.E., is a bridge engineer at KPFF Consulting Engineers, Seattle and was design lead for the elevated high-rise structure. Greg can be contacted at greg.hess@kpff.com.

The new Evergreen Point Floating Bridge, which carries State Route 520 (SR 520), is the world’s longest floating bridge, stretching 7,708.5 feet across Lake Washington in Seattle, Washington. Opened to traffic in April 2016, the bridge replaces the previous SR 520 floating bridge, which was completed in 1963 and had reached the end of its useful service life.

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STRUCTURE magazine