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Wednesday, November 07, 2007
Collapse!
On November 7, 1940 this bridge collapsed during a windstorm a mere four months after completion.

Shortly after construction finished and it was opened to traffic, it was discovered that the bridge would sway and buckle dangerously in relatively mild windy conditions for the area. This resonance was transverse, meaning the bridge buckled along its length, with the roadbed alternately raised and depressed in certain locations -- one half of the central span would rise while the other lowered. Drivers would see cars approaching from the other direction disappear into valleys which were dynamically appearing and disappearing. From this behavior, a local humorist coined the nickname "Galloping Gertie". However, the mass of the bridge was considered sufficient to keep it structurally sound. (from Wikipedia)

Today's Question: Where was "Galloping Gertie" located?

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2 Comments:
Blogger KimW said...
across the Tacoma Narrows of Puget Sound between Tacoma and the Kitsap Peninsula

Blogger Denise Patrick said...
You got it, Kim. Thanks for playing!

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