Load Testing and Evaluation of Makkah Bridges
Concerned about the safety of the City of Makkah’s three main bridges, Pennoni’s Intelligent Infrastructure Systems (IIS) evaluated the bridges due to observed distress and deterioration. After reviewing the existing documents, inspection reports, and photos a Bridge Information Model was compiled to allow users to fly-through a 3D CAD of the bridges and observe the spatial location of deterioration, photographs, and comments made by inspectors. Based upon this review, and due to identified deficiencies and the criticality of these bridges, controlled truck load testing was recommended and custom instrumentation plans, loading scenarios, and guidelines for the test were provided. To mitigate the identified performance issues and deficiencies in each of the bridges, a set of recommendations for rehabilitation/retrofit to ensure the satisfactory performance of the bridges was submitted.