The lifetime of painting is shorter than the lifetime of the bridge. Thus, ongoing maintenance for the lifetime of the bridge is needed. In addition, determination of the repainting period in order to maintenance costs predict is very important. In previous studies were calculated repainting period using survey of experts and some field data.
In this study, the properties of the repainting period were analyzed using repainting data of bridge maintenance system.

• 장동휘(한국도로공사 도로교통연구원 박사후 연구원, 공학박사) | Jang, Dong Hui
• 박창호(한국도로공사 도로교통연구원 수석 연구원, 공학박사) | Park, Chang Ho
• 이일용(한국도로공사 차장) | Lee, Il Ong