i CONDITION ASSESSMENT OF EXISTING BRIDGE STRUCTURES GTRC Project No. E-20-K90 GDOT Project No. RP05-01 REPORT OF TASKS 2 AND 3 – BRIDGE TESTING PROGRAM Prepared for GEORGIA DEPARTMENT OF TRANSPORTATION By Curtis O’Malley Naiyu Wang Bruce R. Ellingwood Abdul-Hamid Zureick GEORGIA INSTITUTE OF TECHNOLOGY SCHOOL OF CIVIL & ENVIRONMENTAL ENGINEERING August 1, 2009