That+bridge+that+galloped.

Tacoma Narrows Bridge (Galloping Gertie) -195 ft tall and 5,000 feet lonf -In July 1 1940 -Suspension Bridge _Construction Sept. 27 1938-July 1st 1940 -Made of Steel Girders and Anchored to Concrete. -The Bridge was destroyed in a storm on November 7, 1940 -The Steel is has good strength for compression and tension. but rusts and loses stremgth in hot areas -Costed $6,400,000 - The bridge would have a wave-like motion even in the slightest breeze. Since the bridge was to felxible and the design did not allow wind to pass through. In a 64-mph wind the bridge began to twist snapping the wires and causing it to plummet into the narrows.



http://www.lib.washington.edu/specialcoll/exhibits/tnb/

http://www.damninteresting.com/?p=759 http://en.wikipedia.org/wiki/Galloping_Gertie#Control_of_structural_vibrations