1. Bridge Engineer, Michael Baker, Jr., Inc., 1228 Euclid Ave., Suite 1050, Cleveland, OH 44115 (corresponding author). E-mail: dbaxter@mbakercorp.com
2. Technical Consultant–Bridge Engineering, Dr. Technical Science, Michael Baker, Jr., Inc., 100 Airside Dr., Moon Township, PA 15108. E-mail: tbalan@mbakercorp.com