Structures are currently a good condition in highway, with an average age of 14.7years. However, After 10 years, The old structure will be estimated 22% of the total structure. In this study, We have suggested the preventive maintenance methods such as preventive techniques and asset management for the deterioration of future by a lesson of failure cases of developed countries such as the United States.

• 진규동(한국도로공사) | Jin Goou Dong
• 곽석환(한국도로공사 구조물처) | Gwak Seok Hwan
• 이상순(한국도로공사 구조물처) | Lee Sang Soon
• 서영효(한국도로공사 구조물처) | Seo Young Hyo
• 이동현((주)토탈페이브시스템) | Lee Dong Hyun