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Steel Bridges: Bracing System Design

COURSE NO: S09-002
COURSE PROVIDER: Donald Parnell, P.E.
Steel Bridges: Bracing System Design
Course Highlights

This online engineering PDH course provides an overview of the design requirements of braces for steel bridges so that engineers can properly size members to provide adequate strength and stiffness.


Bracing systems serve a number of important roles in both straight and horizontally curved bridges. The braces provide stability to the primary girders as well as improving the lateral or torsional stiffness and strength of the bridge system both during construction and in service. Depending on the geometry of the bridge, braces may be designated as either primary or secondary members.


In some situations during construction, the removal of one or more of these bracing members could potentially result in a partial or total collapse of the structure due to instabilities that can develop as a result of the larger unbraced lengths that result from the removal of these members. In cases such as these, the design engineer must recognize the importance of the bracing and design the members accordingly despite their designation as secondary members.


This 9 PDH online course is applicable to structural engineers and other technical personnel who are interested in learning about the design requirements of bracing systems for steel bridges.
Learning Objectives

This PE continuing education course is intended to provide you with the following specific knowledge and skills:

  • Familiarizing with the torsional behavior of open and closed girders
  • Gaining a general overview of utilized bracing for I-girders
  • Learning about the bracing systems for tub girders
  • Understanding design requirements for the members and connections of bracing systems
  • Learning about cross-frame forces in horizontally curved girders
  • Understanding top and bottom flange lateral systems
  • Learning about cross-frame spacing and proportions
Course Document
In this professional engineering CEU course, you need to review the course document titled, " Steel Bridges: Bracing System Design”, which is based on the US Department of Transportation document “Steel Bridge Design Handbook: Bracing System Design”, publication no. FHWA-HIF-16-002.
To view, print and study the course document, please click on the following link(s):
Course Quiz
Once you complete your course review, you need to take a multiple-choice quiz consisting of forty-five (45) questions to earn 9 PDH credits. The quiz will be based on the entire document.
The minimum passing score is 70%. There is no time limit on the quiz, and you can take it multiple times until you pass at no additional cost.
Certificate of Completion

Upon successful completion of the quiz, print your Certificate of Completion instantly. (Note: if you are paying by check or money order, you will be able to print it after we receive your payment.) For your convenience, we will also email it to you. Please note that you can log in to your account at any time to access and print your Certificate of Completion.

To buy the course and take the quiz, please click on: