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How does a bridge support weight, mechanically speaking?

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First, the deck carries the load of all the traffic on top of it. The deck can be supported by a variety of means. read more

The smallest, simplest bridges (i.e. highway overpasses) carry the weight through the flexural (bending) strength of the steel or concrete underneath they deck. Some bridges employ trusses to carry the load as compression or tension through the truss. read more

Suspension Bridge Now for the suspension bridge. The suspension bridge is held up by steel cables hung from towers along the bridge. The steel cables are strong to support the weight of the bridge and the traffic on it. read more

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How does a bridge support weight, mechanically speaking ...
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