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Murrow, Lacey V.

Lacey V. Murrow Bridge and Mount Baker Ridge Tunnels
Society: ASCEMain Category: CivilSub Category: BridgesEra: 1940-1949DateCreated: 1940King County State: WAZip: 98040Country: USAWebsite: http://www.asce.org/Project/Lacey-V--Murrow-Bridge-and-Mount-Baker-Ridge-Tunnels/Creator: Murrow, Lacey V., Hadley, Homer

The 1.5 mile Lacey V. Murrow Bridge was the largest floating structure in the world and the first to be built of reinforced concrete when completed in 1940.  The bridge consisted of typically 300-foot long pontoons floated to site and rigidly connected to form a continuous structure and incorporated a unique floating concrete draw-span to allow for passage of marine traffic.  The original floating structure, constructed by Pontoon Bridge Builders, was accidentally sunk in 1990 during a major renovation effort and was replaced by 1993.

YearAdded:
2008
Image Credit: Courtesy Wikipedia/Walter SiegmundImage Caption: The bridge and tunnel project were key in improving eastern access to Seattle, a major commercial port on the eastern rim of the Pacific Ocean. Era_date_from: 1940
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