NTL-HIGHWAY/ROAD TRANSPORTATION-Bridges and Structures;NTL-HIGHWAY/ROAD TRANSPORTATION-Construction and Maintenance;NTL-PLANNING AND POLICY-Management Systems;
Abstract:
Life-cycle cost analysis (LCCA) is a necessary component in bridge management systems (BMSs) for
assessing investment decisions and identifying the most cost-effective improvement alternatives. The
LCCA helps to identify the lowest cost alternative that accomplishes project objectives by providing
critical information for the overall decision-making process.
The main objective of this project is to perform LCCA for different maintenance strategies using the
developed deterioration models and updated cost data for Nebraska bridges. Deterministic and
probabilistic LCCA using RealCost software for deck overlay decisions, expansion joint replacement
decisions, and deck widening versus deck replacement decisions are presented. For deck overlay
decision, silica fume overlay, epoxy polymer overlay, and polyester overlay are compared against bare
deck with respect to life cycle cost for variable structural life. In expansion joint replacement decisions,
two alternatives are compared: relocating abutment expansion joints at the grade beam; and replacing
abutment expansion joints at the same place. Deck widening is compared with deck replacement in five
This report presents the expansion of a previously introduced life-cycle cost calculation framework for concrete bridge decks in Illinois. In addition...
The main objectives of this project were: (a) to identify the causes of early-age cracking in concrete bridge decks, (b) to providerecommendations for...
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United States Department of Transportation
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