In order to establish preventive maintenance and to make a reasonable estimate of the required repair cost for bridges, the related history information of the existing bridge inspection and diagnosis was analyzed. It was analyzed that about 75% of the repair costs were required for the pavement, expansion joining, curb, and railings in the service area of bridges.

Abstract
 1. 서 론
 2. 부재별 손상 및 보수보강 소요비용 정보 관리
 3. 소요 보수보강비용 분석 및 고찰
 4. 결 론
 참고문헌

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