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A wing wall is a retaining wall that extends away from the side of the ["abutment"] at the end of a bridge. The wing walls serve as a retaining walls for the embankments on either side of the bridge, and also contain erosion of the channel adjacent to the bridge.

[http://www.holoscenes.com/images/bmwiki/bridge.png]

wing wall (last edited 2009-03-22 11:21:28 by JimIrwin)