In this paper, the maintenance characteristics for the abutment and pier in highway bridges are investigated. The repair and rehabilitation properties are integrated from the Highway Bridge Maintenance System until 2013. Whole numbers of the abutment and the pier in highway bridges are over 37,000. The repair and/or rehabilitation are carried out for the substructure of about 10,240. More than 35 billion won of budget for repair and rehabilitation were used until now. It can be known that during one year about 37,000 won of budget has been used to maintain and preserve each substructure.

• 박창호(한국도로공사 도로교통연구원 수석연구원, 공학박사) | Park, Chang Ho
• 이일근(한국도로공사 도로교통연구원 책임연구원, 공학박사) | Lee, Il Guen
• 장동휘(한국도로공사 도로교통연구원 박사후연구원, 공학박사) | Jang, Dong Hui
• 정운영(한국도로공사 구조물처 차장) | Joung, Oun Young