This paper is presented in progressive improvement of the construction and maintenance for corrugated steel plate culverts in Korea expressway. After reviewing the technical consulting reports and field surveying this whole structures. It is effectively help to minimize damage and improve the stability of structures.

• 이병주(한국도로공사 도로교통연구원, 수석연구원, 공학박사) | Lee, Byeong Ju 교신저자
• 박창호(한국도로공사 도로교통연구원, 연구위원, 공학박사) | Park, Chang Ho