Contraction scour at a bridge over Wolf Creek, Iowa

Edited by: Espey William H.Combs Phil G.


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Contraction scour at the State Highway 14 bridge over Wolf Creek in south-central Iowa was caused by a large flood on September 14 and 15, 1992. The bridge is a 30.5-m, single-span steel structure supported by vertical-wall concrete abutments with wingwalls. Approximately 6 meters of scour resulted from the flood. The peak discharge was estimated by water-surface profile analysis to be 2,200 cubic meters per second. A crude stage hydrograph is depicted by a line of gravel deposits created by water overflowing the downstream face of the highway embankment. The fall of the water surface at the bridge was 3.4 m when water began to flow over the highway.

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Additional publication details

Publication type Conference Paper
Publication Subtype Conference Paper
Title Contraction scour at a bridge over Wolf Creek, Iowa
Volume 1
Year Published 1995
Language English
Publisher ASCE
Publisher location New York, NY, United States
Contributing office(s) Iowa Water Science Center
Larger Work Title International Water Resources Engineering Conference - Proceedings
First page 430
Last page 434
Conference Title Proceedings of the 1st International Conference on Water Resources. Part 1 (of 2)
Conference Location San Antonio, TX
Conference Date August 14-18, 1998
Country United States
State Iowa
Other Geospatial Wolf Creek
Online Only (Y/N) N
Additional Online Files (Y/N) N
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