One tiny design flaw in the bridge caused it to collapse, and that collapse is still taught in engineering, architecture, and physics classes today.
As soon as construction workers completed the deck, they noticed that during windy conditions, it would move vertically, and they nicknamed the bridge"Galloping Gertie".The Tacoma Narrows Bridge was opened to traffic on July 1, 1940, and drivers quickly noticed that the bridge would oscillate vertically up to several feet.
Authorities next hired an engineering professor at the University of Washington to analyze the problem. He and his students built aof the bridge on which they conducted wind-tunnel tests. They submitted their conclusions on, and they suggested drilling holes in the lateral girders along the deck to allow the wind to flow through, and the addition of fairings or deflector vanes along the deck to aid its aerodynamic shape., the Tacoma Narrows Bridge collapsed.As luck would have it, at 11:00 a.m.
Sadly, Coatsworth's cocker spaniel Tubby was in that car, and he was the only fatality of the disaster. A subsequent inquiry into the collapse determined that what brought the bridge down was a twisting motion that occurred when winds reached
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