There is an article (Analysis of the MN Bridge Collaspe) at
www.stevequayle.com (click on the big Q) about that Minneapolis
Bridge.
A Bridge can be something as simple as a wooden plank thrown across a
ditch so people won't have to step into the mud.Some Bridges around the
World are marvels of Engineering and very complicated.
www.devilfinder.com The oldest Bridges in the World.
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