Application of incremental benefit-cost analysis for optimal budget allocation to maintenance, rehabilitation, and replacement of bridges.

Author(s)
Farid, F. Johnston, D.W. Levarde, M.A. & Chen, C.-J.
Year
Abstract

Bridge improvement funding in the United States has been insufficient for years. Thus, a systematic algorithm for efficient allocation of limited budgets to deficient bridges is needed, as part of a comprehensive bridge management system. Application of one such algorithm, the Incremental Benefit-Cost (INCBEN) program, for optimal allocation of the limited budgets to bridge improvement alternatives at the system level is investigated. INCBEN is applied to a sample of highway bridges to determine a near-optimal set of improvement alternatives. The sample consists of 25 in-service bridges in North Carolina with varying structural or functional deficiencies. Selection of the near-optimal bridge improvement alternatives under several levels of budget granted; sensitivity of budget-allocation results to the discount rate, remaining life, and service life; and comparison of results with those of the sufficiency rating methods are described. (Author/publisher)

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Publication

Library number
C 18754 (In: C 18752 S) /10 /53 / IRRD 869649
Source

In: Maintenance of the highway infrastructure, Transportation Research Record TRR 1442, p. 88-100, 3 ref.

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