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

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  • Tolliver, Denver
  • Lu, Pan

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.

Suggested Citation

  • Tolliver, Denver & Lu, Pan, 2011. "Analysis of Bridge Deterioration Rates: A Case Study of the Northern Plains Region," Journal of the Transportation Research Forum, Transportation Research Forum, vol. 50(2).
    • Handle: RePEc:ags:ndjtrf:207299
    DOI: 10.22004/ag.econ.207299
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    File URL: https://ageconsearch.umn.edu/record/207299/files/2736-5486-1-PB.pdf
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    Cited by:

    1. Lu, Pan & Pei, Shiling & Tolliver, Denver, 2016. "Regression Model Evaluation for Highway Bridge Component Deterioration Using National Bridge Inventory Data," Journal of the Transportation Research Forum, Transportation Research Forum, vol. 55(1), April.

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    Keywords

    Public Economics;

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