On November 7, 1940, only four months after it opened, the Tacoma Narrows Bridgecollapsed in a wind of 42 mph—even though the structure was designed to withstand winds of up to 120 mph.
Leon Moisseiff's career culminated in 1940, with a bridge spanning the ... The Tacoma Narrows bridgecollapse was a true disaster, but it did have a silver lining. It motivated the ...