Load and Resistance Factor Rating for Highway Bridges (NHI Course 130092A) 2-Day

NHI Course Number: 130092A


This course provides novice and experienced bridge engineers with the fundamental knowledge necessary to apply the most recent AASHTO Load and Resistance Factor Rating (LRFR) Specifications to bridge load rating.


Upon completion of the course, participants will be able to:

  • Describe the purpose of performing a load rating
  • Identify the benefits of the LRFR methodology
  • Demonstrate the LRFR process and the general load rating equations
  • Explain legal loads and their use in load rating
  • Determine distribution factors for load rating
  • State the LRFR limit states
  • Select evaluation factors for rating
  • Describe the process for load posting and importance of load posting
  • Describe the procedure for checking overload permits
  • Demonstrate the application of LRFR requirements by completing load rating exercises

Target Audience:

Bridge engineers with 0-20 years of experience.

For More Information

If you have questions about this workshop, please contact Paul Albritton at 515-294-1231 or palbritt@iastate.edu