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Many of NHI Web-Based Training courses are currently off line to address required updates. Our technical team is diligently working to complete the updates and the updated courses will be posted as they become available. The high access/high priority courses are scheduled to become available by early Summer of 2021. Expect all other courses by late Summer of 2021. We will provide announcements as content becomes available. We apologize for any inconvenience this causes and we appreciate your selecting National Highway Institute for your training needs.

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Search for courses based on delivery type, program area, or topic below, or find upcoming trainings in your state or territory. For more information on trainings from the National Highway Institute, contact us.

Course Description

Design and Evaluation of Bridges for Fatigue and Fracture

PROGRAM AREA: Structures
Instructor-led Training (ILT)Instructor-led Training (ILT)
Calendar Year
Host Price
2 Days
1.3 Units
$315 Per Participant
2 Days
1.3 Units
$900 Per Participant

TRAINING LEVEL: Intermediate

CLASS SIZE: Minimum: 20 Maximum: 30


This two-day training course presents relevant issues related to fatigue and fracture in steel bridges, including analysis, design, evaluation, repair, and retrofit. It is based on the AASHTO LRFD Bridge Design Specifications, Eighth Edition, as well as the AASHTO Manual for Bridge Evaluation, Second Edition, with Interim Revisions through 2016. Participant Exercises, Guided Walk Throughs, and videos are included throughout the training to aid bridge engineers with the implementation of the presented information.

This course consists of three modules. The first module serves as a general introduction to the class. The second module covers fundamentals, and it includes four lessons - Introduction to Fatigue and Fracture, Crack Growth in Steel Structures, Theory, and Characterizing Fatigue and Fracture in Bridge Members. The third module covers application, and it includes five lessons - Analysis for Fatigue, AASHTO Design Approach for Fatigue, AASHTO Design Approach for Fracture, AASHTO Evaluation Approach, and Retrofit and Repair.

The curriculum materials include a comprehensive Reference Manual in CD format (FHWA Publication No. FHWA-NHI-16-016), lecture and workshop exercises intended to promote or enhance a working knowledge of AASHTO LRFD, and a participant workbook for lecture notes and exercises.

Individuals attending this course should have a minimum BSCE degree. They should also have a working knowledge of the current AASHTO LRFD Bridge Design Specifications and should have relevant design experience using this specification on at least one steel bridge superstructure.

There are no NHI prerequisites for this course. However, select topics of this course are also addressed in NHI Courses 130078 (Fracture Critical Inspection Techniques for Steel Bridges), 130081 (LRFD for Highway Bridge Superstructures), and 130095 (LRFD and Analysis of Curved Steel Highway Bridges).


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

  • Explain the fundamentals of fatigue and fracture on steel highway structures
  • Identify the various analysis methods for determining fatigue and fracture considerations on steel highway structures
  • Explain the various AASHTO methodologies as it pertains to fatigue and fracture design
  • Identify the AASHTO methodology for fatigue and fracture evaluation
  • Describe the various strategies for repair and retrofit of steel highway structures


The primary audience for this course includes State DOT Bridge and Structures Engineers and Practitioners responsible for steel bridge design and evaluation. The target audience includes engineers at all levels, including designers, consultants, reviewers, maintenance and management engineers, and load raters.

If you have questions about this NHI training, please contact NHI at or 877.558.6873.


There are no sessions available. Sign up for session alerts to receive email alerts when sessions of this course are scheduled.

Host this Course

The National Highway Institute (NHI) has been accredited as an Accredited Provider by the International Association for Continuing Education and Training (IACET). In obtaining this accreditation, NHI has demonstrated that it complies with the ANSI/IACET Standard which is recognized internationally as a standard of good practice. As a result of their Accredited Provider status, NHI is authorized to offer IACET CEUs for its programs that qualify under the ANSI/IACET Standard.


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