Definite Project Report for Section 14 Emergency Streambank Protection. North Raccoon River, Iowa State Highway 7 Bridge in Buena Vista County, Iowa. Revision
Abstract
The following letter report is a summary of a study made on providing emergency streambank protection along the left descending bank of the North Raccoon River to curtail erosion which is endangering the east approach roadway, abutment wingwall, and deck of the Iowa State Highway 7 bridge in Buena Vista County, Iowa. The proposal for emergency streambank protection presented in this report recommends the placement of riprap on rock bedding along approximately 375 linear feet of the left downstream bank of the North Raccoon River. The total estimated cost for the project is $33,900, with a benefit-to-cost ratio of 17.3. The project satisfies the criteria for Federal participation and is recommended for construction.
Document Details
- Document Type
- Technical Report
- Publication Date
- Feb 01, 1988
- Accession Number
- ADA198703
Entities
Organizations
- Rock Island District, U.S. Army Corps of Engineers