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Encyclopediabridgebridge, structure built over water or any obstacle or depression to allow the passage of pedestrians or vehicles. See also viaduct. Sections in this article: The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2007, Columbia University Press. All rights reserved. More on structure bridge from Infoplease:
- pier - pier pier, in engineering, term applied to a mass of reinforced concrete or masonry supporting a ...
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