November 7, 1940 Professor Farquharson was there to witness and document the spectacular collapse of what had been the third longest suspension bridge in the world with the longest single span in the country. In the aftermath many theories were discussed concerning the cause of the bridge's collapse. Ultimately an investigative board for the Washington State Toll Bridge Authority announced the failure was due to the bridge's design reacting to the wind in the Narrows
Second Tacoma Narrows Bridge showing concrete construction work, ca. 1950 Rebirth
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