LEARN+EARN Learn + Earn Presentations MoDOT Bridge Program - Dennis Heckman Economy of Steel & Concrete Bridges - Dr. Barker Historical Life Cycle Costs of Steel & Concrete Girder Bridges - Dr. Barker KY 61 over CSXT Railroad in Bullitt County, KY - Stupp Bridge Company DeLong's Inc. Steel vs. Concrete White Paper Learn and Earn Attendee list 11-1-2018
