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07/11/1940 Tacoma Narrows Bridge collapses

After 4 months after its opening, the Tacoma Narrows Bridge collapsed as a result of windy conditions. In terms of main span length, the bridge was the 3rd-longest suspension bridge in the world back then. The only fatality of the event was a dog.


  • Essentials 

  • Tacoma Narrows Bridge (1940) 

  • Design and construction 

  • Attempt to control structural vibration 

  • Inquiry 

  • Fate of the collapsed superstructure