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Course Description

Inspection and Maintenance of Ancillary Highway Structures

PROGRAM AREA: Structures
Instructor-led Training (ILT)Instructor-led Training (ILT)
Calendar Year
Host Price
2 Days
1.1 Units
$750 Per Participant


CLASS SIZE: Minimum: 20 Maximum: 30


This course provides training in the inspection and maintenance of ancillary structures, such as structural supports for highway signs, luminaries, and traffic signals. Its goal is to provide agencies with information to aid in establishing and conducting an inspection program in accordance with the FHWA "Guidelines for the Installation, Inspection, Maintenance, and Repair of Structural Supports for Highway Signs, Luminaries, and Traffic Signals."


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

  • List and identify common visible weld defects
  • Identify appropriate nondestructive testing techniques
  • Identify factors that lead to corrosion and explain mitigation methods used in ancillary structures
  • Define the severity of observed defects in accordance with the FHWA guidelines
  • Identify defects in base/anchor rod installations
  • List key issues in construction inspection of ancillary structures
  • Identify repair techniques and discuss their use


Structural engineers, material engineers, traffic engineers, field inspectors, construction supervisors, maintenance personnel, and other technical personnel involved in the installation, inspection, maintenance, and repair of ancillary highway structures. This course is not a design course; however, the information should be helpful to those working in design and specification of ancillary structures.

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


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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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