JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. Hand Calculation for Selected Items Tutorial 1: Continuous 3-Span 72 Inch Bulb Tee Girder Design (U.S. Units) (LFD) Tutorial 1A: Load Rating of Three Span Bridge (U.S. Units)(LFD) Hand Calculation for Selected Items Tutorial 4: Continuous 3-Span Bridge with NU-1600 Girders (Metric Units) (LRFD) Hand Calculation Selected Items Tutorial 5: Simple Span Adjacent Box Beam Bridge U.S. Units) (LRFD) Selected Hand Calculation Tutorial 6: Hand Calculations Illustrating Load Rating According to LRFR Parent topic: Tutorials