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3 shorts run time….

US Steel produced 16:42,

this film to brag about their bridge building subsidiaries, and rightly so. If you have crossed a BIG suspension bridge and wondered about how the heck it was built, this film will tell you. An entertaining combination of technical detail and one-of-a-kind footage.

TACOMA BRIDGE COLLAPSE..3:53

I’ve always been fascinated by this even myself. It was shown in one of my engineering classes. One thing we have to keep in mind is that engineering is an ever evolving area. At the time, no one would have though to apply wind tunnel testing to a bridge or some of the more exotic methods.It is quite possible that this bridge would have withstood hurricane force winds. The lower velocity winds that tore it apart hit a resonant frequency of the bridge. Winds of radically different speeds might very well have been no problem.

4:35…..

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