1. Assistant Professor, School of Civil and Construction Engineering, Oregon State Univ., Corvallis, OR 97331 (corresponding author). E-mail: michael.scott@oregonstate.edu
2. Bridge Designer, T.Y. Lin International, Salem, OR 97302. E-mail: akidarsa@tylin.com; formerly, Graduate Research Assistant, School of Civil and Construction Engineering, Oregon State Univ., Corvallis, OR 97331.
3. Associate Professor, School of Civil and Construction Engineering, Oregon State Univ., Corvallis, OR 97331. E-mail: chris.higgins@oregonstate.edu