Analysis of Bridge Deterioration Rates: A Case Study of the Northern Plains Region

Denver Tolliver and Pan Lu

Journal of the Transportation Research Forum, 2011, vol. 50, issue 2

Abstract: A bridge deterioration model is estimated from the National Bridge Inventory that explains and forecasts future condition as a function of bridge material, bridge design, operating rating classification, average daily traffic, the state where the bridge is located, and the age of the bridge. Over the 95-year analysis period, the rate of bridge deterioration with age is a third-order polynomial function. However, the relationship between condition and age is approximately linear until age 65. Holding all else constant, a bridge substructure in the Northern Plains loses approximately one-half of a condition rating point every 13 years until age 65.

Keywords: Public; Economics (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:ags:ndjtrf:207299

DOI: 10.22004/ag.econ.207299

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