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1940s

Howard Clifford running off the Tacoma Narrows Bridge during collapse
Society: ASCE Main Category: Civil Sub Category: Bridges Era: 1940s DateCreated: 1940s Tacoma State: WA Zip: Country: USA Website: http://www.asce.org/project/tacoma-narrows-bridges(1)/ Creator: Eldridge, Clark

Taken together, the 1940 and 1950 Tacoma Narrows bridges mark a significant turning point in the design of long-span suspension bridges. The original 1940 structure was designed with one of the shallowest and narrowest stiffening elements of any long-span suspension bridge yet built. The structure failed dramatically in a rather moderate 42 mph windstorm on 7 November 1940, only four months after opening for traffic.

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Image Credit: Image Caption: Howard Clifford running off the Tacoma Narrows Bridge during collapse Era_date_from:
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Howard Clifford running off the Tacoma Narrows Bridge during collapse

Taken together, the 1940 and 1950 Tacoma Narrows bridges mark a significant turning point in the design of long-span suspension bridges. The original 1940 structure was designed with one of the shallowest and narrowest stiffening elements of any long-span suspension bridge yet built. The…

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