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The Cost of Highway Bridge Scour in the State of Minnesota

by W. Robert Ivarson,
Mark Gieseke,
Dave Halvorson,



Document Type: Proceeding Paper

Part of: North American Water and Environment Congress & Destructive Water

Abstract:

Different states are faced with different conditions with respect to geology, topography, climate, native vegetation types, bridge ownership, and bridges management systems, which in turn results in a considerably different fmancial burden from state to state. This paper estimates the cost of bridge scour in Minnesota, since 1970, which is a function of the state specific conditions. These costs are approximate, as the scour problem was not approached in a way which sought to minimize cost or maximize a benefit/cost ratio. The authors have had the opportunity to play significant roles in developing the Minnesota scour evaluation procedures and performing scour evaluations as part of the program implementation and therefore make their best effort at quantifying the cost of bridge scour in Minnesota.

Subject Headings: Scour | Highway bridges | Benefit cost ratios | Bridge management | Maintenance and operation | Systems management | Highway and road management | Minnesota | United States

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