TBT: First car drives across the Lake Washington Floating Bridge (I-90)

On June 4, 1940, the first car drove across the Lake Washington Floating Bridge (I-90).

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The first car drove on the bridge on June 5, 1940, and it opened to public use on July 2, 1940.

The bridge and its approaches is 3,387 feet long including 25 reinforced-concrete floating pontoons of varying lengths, according to HistoryLink.org. It took 18 months and 3,000 workers to construct it.
Photo by Washington State Archives

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