Total 7 maintenance indices were proposed to manage bridges efficiently, which were categorized into bridge safety, longevity, and cost-effective management system. Goal and current state for each index were also presented. Optimum strategies for each index are required in order to achieve goals.

• 정유석(충남대학교 방재연구소, 박사후연구원) | Jeong, Yoseok
• 김우석(충남대학교 토목공학과, 조교수) | Kim, WooSeok 교신저자
• 이일근(한국도로공사 도로교통연구원, 수석연구원) | Lee, ilkeun
• 이재하(해양대학교, 건설공학과, 조교수) | Lee, Jaeha