1. Professor, College of Engineering, Univ. of Alaska, Anchorage, AK 99508 (corresponding author).
2. Senior Engineer, Bridge Section, State of Alaska Dept. of Transportation & Public Facilities, Juneau, AK 99811; formerly, Ph.D. Candidate, Dept. of Civil Engineering, Univ. of Alaska, Anchorage, AK 99508.
3. Associate Professor, College of IT & Engineering, Marshall Univ., Huntington, WV 25755.
4. Professor, College of IT and Engineering, Marshall Univ., Huntington, WV 25755.