When the fact is taken into consideration that recent collapses, bridge replacement and other many maintenance problems in Korea have caused bridges to be re-constructed or replaced before they reach their expected life for public use, the substantial loss during the life for public use of bridges is estimated. Accordingly, the data obtained from the analysis of the LCC economic feasibility is expected to be used for finding the construction methods and ways for repair and reinforcement

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... y in the stage of maintenance and administration, determining the optimum level of performance improvement of existing structures and helping the government decide the priority for investment, and ultimately to help seek the efficient use of cost.