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Two-Dimensional Hydraulic Analysis of the Owensboro Bridge and Approaches

by M. A. Ports, Parsons Brinckerhoff, Baltimore, United States,
T. G. Turner, Parsons Brinckerhoff, Baltimore, United States,
D. C. Froehlich, Parsons Brinckerhoff, Baltimore, United States,



Document Type: Proceeding Paper

Part of: Water Resources Planning and Management: Saving a Threatened Resource?In Search of Solutions

Abstract:

The Kentucky Transportation Cabinet, Department of Highways, is working with the Indiana Department of Transportation and the Federal Highway Administration to plan, design, and construct a new bridge over the Ohio River near Owensboro, Kentucky. Successful operation and maintenance of the proposed bridge and approach roadways depends largely upon the careful consideration of the hydraulic impacts of the proposed bridge openings and the potential for scour resulting from the constriction of the natural flood plain. The hydraulic analysis of the proposed new bridge over the Ohio River at Owensboro is accomplished in three primary phases. The first phase consists of the develeopment, calibration, and validation of the two-dimensional hydraulic model of the Ohio River and its associated flood plain. The second phase consists of the application of the hydraulic model to determine the baseline, or existing conditions and the assessment of the original proposed configuration. The third phase consists of the formulation, simulation, and comparison of alternative bridge and approach configurations. Because the third phase is ongoing and, hence, not completed, this paper will present the results only from the first two phases.

Subject Headings: Rivers and streams | Hydraulic models | Flood plains | Maintenance and operation | Highway bridges | Bridges | Two-dimensional models | Ohio River

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