To suggest the preliminary data for effective maintenance of bridge structures, the damage patterns of expressway bridges are quantitatively analyzed in the present study. The defects are the primary damage, and the deterioration occurred around the joint.

Abstract
 1. 서 론
 2. 고속도로 구조물 점검여건 분석
 3. 무인검사장비를 활용한 고속도로 구조물 점검체계 구축방안
 4. 결 론
 참고문헌

• 임지택(한국도로공사 구조물처) | Lim, Ji Taek
• 이상순(한국도로공사 구조물처) | Lee, Sang Soon
• 박명득(한국도로공사 구조물처) | Park, Meung Deuk