United States Department of Transportation
i
Estimating Benefits for Bridge Protection Improvements
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2023-07-01
[PDF-749.66 KB]
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Abstract:Benefit-cost analysis for bridge preservation, rehabilitation, repair, and protection projects often requires a different approach than that used for other operational improvements. Other operational improvements typically do not affect the day-to-day experience of users of the facility. Rather, the improvements are aimed at reducing ongoing maintenance needs and ensuring the continued serviceability of the structure. As a result, their estimated benefits are realized from the reduction in the likelihood that local or global structural failure will result in extended reduction, or loss, of service or loss of the structure. Reducing the risk of incurring the resulting capital, user, and operating costs produces a benefit that can be assigned a monetary value. This document describes a possible approach that can be implemented to make that evaluation, aimed specifically at seismic retrofit improvements intended to improve the resilience of the structure.
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