Prepared in cooperation with the Missouri Department of Transportation Bathymetric Surveys at Highway Bridges Crossing the Missouri River in Kansas City, Missouri, using a Multibeam Echo Sounder, 2010 Scientific Investigations Report 2010–5207 U.S. Department of the Interior U.S. Geological Survey Technical Report Documentation Page 1. Report No.: 2. Government Accession No.: 3. Recipient's Catalog No.: OR11-008 4. Title and Subtitle: 5. Report Date: Bathymetric Surveys at Highway Bridges Crossing the November 2010 Missouri River in Kansas City, Missouri, using a 6. Performing Organization Code: Multibeam Echo Sounder, 2010 7. Author(s): 8. Performing Organization Report U.S. Department of the Interior No.: Ken Salazar, Secretary U.S. Geological Survey Marcia K. McNutt, Director 9. Performing Organization Name and Address: 10. Work Unit No.: U.S. Geological Survey, Reston, Virginia 11. Contract or Grant No.: TRyy 10 19 12. Sponsoring Agency Name and Address: 13. Type of Report and Period Missouri Department of Transportation Covered: Organizational Results <Final, Interim, or such> PO BOX 270 14. Sponsoring Agency Code: Jefferson City, MO 65102 15. Supplementary Notes The investigation was conducted in cooperation with the U. S. Department of Transportation, Federal Highway Administration. 16. Abstract: Bathymetric surveys were conducted by the U.S. Geological Survey, in cooperation with the Missouri Department of Transportation, on the Missouri River in the vicinity of nine bridges at seven highway crossings in Kansas City, Missouri, in March 2010. A multibeam echo sounder mapping system was used to obtain channel-bed elevations for river reaches that ranged from 1,640 to 1,800 feet long and extending from bank to bank in the main channel of the Missouri River. These bathymetric scans will be used by the Missouri Department of Transportation to assess the condition of the bridges for stability and integrity with respect to bridge scour. 17. Key Words: 18. Distribution Statement Bathymetric, Bridges, Scour, Missouri River, No restrictions. This document is available Kansas City to the public through National Technical Information Center, Springfield, Virginia 22161 19. Security Classification 20. Security Classification 21. No. of Pages: 22. Price: (of this report): (of this page): 74 Unclassified Unclassified Form DOT F 1700.7 (06/98) Bathymetric Surveys at Highway Bridges Crossing the Missouri River in Kansas City, Missouri, using a Multibeam Echo Sounder, 2010 By Richard J. Huizinga Prepared in cooperation with the Missouri Department of Transportation Scientific Investigations Report 2010–5207 U.S. Department of the Interior U.S. Geological Survey U.S. Department of the Interior KEN SALAZAR, Secretary U.S. Geological Survey Marcia K. McNutt, Director U.S. Geological Survey, Reston, Virginia: 2010 For more information on the USGS—the Federal source for science about the Earth, its natural and living resources, natural hazards, and the environment, visit http://www.usgs.gov or call 1-888-ASK-USGS For an overview of USGS information products, including maps, imagery, and publications, visit http://www.usgs.gov/pubprod To order this and other USGS information products, visit http://store.usgs.gov Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Although this report is in the public domain, permission must be secured from the individual copyright owners to reproduce any copyrighted materials contained within this report. Suggested citation: Huizinga, R.J., 2010, Bathymetric surveys at highway bridges crossing the Missouri River in Kansas City, Missouri, using a multibeam echo sounder, 2010: U.S. Geological Survey Scientific Investigations Report 2010–5207, 61 p. iii Contents Abstract ...........................................................................................................................................................1 Introduction.....................................................................................................................................................1 Purpose and Scope ..............................................................................................................................2 Description of Study Area ...................................................................................................................2 Equipment and Methods Used in Bathymetric Surveys ..........................................................................3 Description of Equipment ....................................................................................................................3 Multibeam Echo Sounder ...........................................................................................................4 Navigation and Motion-Sensing System ................................................................................4 Data Collection and Processing Computer .............................................................................4 Description of Survey Methods ..........................................................................................................6 Survey Quality-Assurance/Quality-Control Measures ...................................................................7 Beam Angle Check ......................................................................................................................7 Patch Tests ....................................................................................................................................8 Results of Bathymetric Surveys ................................................................................................................10 Structure A1800 on Interstate 635 ....................................................................................................11 Structures K0456 and A0450 on U.S. Highway 69 ..........................................................................18 Structure A4649 on U.S. Highway 169 .............................................................................................24 Structure A4060 on State Highway 9 ...............................................................................................29 Structure A5817 on State Highway 269 ...........................................................................................37 Structure A0767 on Interstate 435 ....................................................................................................43 Structures A4757 and L0568 on State Highway 291 ......................................................................49 General Findings and Implications ..................................................................................................55 Shape of Scour Holes ...............................................................................................................55 Long-Term Channel-Bed Changes ..........................................................................................55 Effects of Moderate Flooding During Surveys ......................................................................57 Error Estimation ..........................................................................................................................58 Summary........................................................................................................................................................60 References Cited..........................................................................................................................................60 iv Figures 1. Map showing location of bridges crossing the Missouri River in the Kansas City, Missouri, area ...............................................................................................................................3 2. Photographs showing the multibeam echo sounder as viewed A, from the bottom, B, from the top, and C, mounted on the port side of the U.S. Geological Survey boat .................................................................................................................................................5 3. Diagram showing approximate beam geometry of the multibeam echo sounder A, across ship track and B, along ship track ...........................................................................6 4. Diagram showing approximate beam geometry of the multibeam echo sounder with a tilted head to obtain soundings A, along a river bank or B, on the side of a vertical structure ..........................................................................................................................6 5. Diagram showing method of survey line spacing used to ensure complete coverage of the channel bed and minimize sonic “shadows” .............................................7 6. Diagram show effects of timing and angular offsets for A, latency, B, roll, C, pitch, and D, yaw on data from a multibeam echo sounder .............................................................9 7. Aerial photograph showing location of the bathymetric survey area on the Missouri River near structure A1800 on Interstate 635 in Kansas City, Missouri ............12 8. Bathymetric survey of the Missouri River channel in the vicinity of structure A1800 on Interstate 635 in Kansas City, Missouri ..................................................................13 9. Bathymetric survey of the Missouri River channel in the vicinity of the main channel pier of structure A1800 on Interstate 635 in Kansas City, Missouri