Contraction scour at a bridge over Wolf Creek, Iowa
By: Edward E. Fischer
Edited by: Espey William H.Combs Phil G.
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Abstract
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.
Study Area
| 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 |