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Modified level II streambed-scour analysis for structure I-70-35-5245 crossing Big Walnut Creek in Putnam County, Indiana

Open-File Report 97-311

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Abstract

Level II scour evaluations follow a process in which hydrologic, hydraulic, and sedimenttransport data are evaluated to calculate the depth of scour that may result when a given discharge is routed through a bridge opening. The results of the modified Level II analysis for structure 1-70-35-5245 on Interstate 70 crossing Big Walnut Creek in Pumam.County, Indiana, are presented. The site is near the town of Manhattan in the southwestern part of Putnam County. Scour depths were computed with the Water Surface PROfile model, version V050196, which incorporates the scour-calculation procedures outlined in Hydraulic Engineering Circular No. 18. Total scour depths at the piers were approximately 17.0 feet for the modeled discharge of 29,200 cubic feet per second and approximately 30.9 feet for the modeled discharge of 49,600 cubic feet per second.

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Additional publication details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Modified level II streambed-scour analysis for structure I-70-35-5245 crossing Big Walnut Creek in Putnam County, Indiana
Series title:
Open-File Report
Series number:
97-311
Year Published:
1997
Language:
English
Publisher:
U.S. Geological Survey
Publisher location:
Indianapolis, IN
Contributing office(s):
Indiana Water Science Center
Description:
iv, 28 p. ;28 cm.
First page:
1
Last page:
24
Country:
United States
State:
Indiana
County:
Putnam County
Online Only (Y/N):
N
Additional Online Files (Y/N):
N