Types Of Bridges
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Truss Bridges
Arch Bridges
Suspension Bridge
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Works-Cited
http://www.garrettsbridges.com
http://science.howstuffworks.com/bridge5.htm
http://www.design-technology.org/archbridges.htm
http://en.wikipedia.org/wiki/Suspension_bridge
http://www.youtube.com/watch?v=yhGiFJCORho
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