Bridges have been collapsed due to disaster, and this has required much of expenses. Vehicle collision cause critical damage on Bridges. This paper focus on vehicle collision risk level for highway bridges. In this study use 4 classification, Natural Break based Interval, Equal Interval, Standard Deviation based Interval and Reliability based Interval.

• 민근형(충남대학교 토목공학과, 석사과정) | Geunhyeong Min
• 정유석(충남대학교 건설방재연구소, 박사후연구원) | Yoseok Jeong
• 김우석(충남대학교 토목공학과 조교수, 공학박사) | WooSeok Kim 교신저자
• 조준상(한국도로공사 도로교통연구원 책임연구원) | Junsang Cho
• 길흥배(한국도로공사 도로교통연구원 수석연구원) | Heungbae Gil