This report is a product of the Long-Term Bridge Performance (LTBP) program. The program was authorized under the 2005 Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users to identify, collect, and analyze research-quality data that will provide a better understanding of bridge performance and lead to improvements thereof.(1) This report presents an overview of the "Federal Highway Administration Workshop to Identify Bridge Substructure Performance Issues," held in Orlando, FL, from March 4 to 6, 2010.