1. Ph.D. Student, Lyles School of Civil Engineering, Purdue Univ., 550 Stadium Mall Drive, West Lafayette, IN 47907 (corresponding author). .
2. Graduate Research Assistant, Lyles School of Civil Engineering, Purdue Univ., 550 Stadium Mall Drive, West Lafayette, IN 47907.
3. Professor, School of Mechanical Engineering, Purdue Univ., 585 Purdue Mall, West Lafayette, IN 47907.
4. Karl H. Kettelhut Professor, Civil Engineering, Lyles School of Civil Engineering, Purdue Univ., 550 Stadium Mall Drive, West Lafayette, IN 47907. .
5. Director, Bridge Management, Indiana Dept. of Transportation, 100 N. Senate Ave. IGCN - RM N642, Indianapolis, IN 46204-2216.