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Course Description

Highways in the Coastal Environment

PROGRAM AREA: Hydraulics
Instructor-led Training (ILT)Instructor-led Training (ILT)
Calendar Year
Host Price
3 Days
1.8 Units
$875 Per Participant

TRAINING LEVEL: Intermediate

CLASS SIZE: Minimum: 14 Maximum: 24


Over 60,000 miles of roads in the United States are occasionally exposed to coastal surge and waves. Due to these unique design conditions, many highways and bridges suffer damage during coastal storms, including hurricanes and El Nino events. The purpose of this course is to teach important concepts and terminology of coastal science and engineering to highway engineers for use in the planning and design of coastal roads. The course is based on the Hydraulic Engineering Circular (HEC) No. 25, "Highways in the Coastal Environment" (2nd Edition), which is also used in the course as a reference manual.

The course includes the use of a portable flume for demonstration of key concepts and for hands-on participant activities. In addition to the presentation of materials and the flume demonstrations, the course incorporates various workshops and exercises to reinforce key concepts. Topics covered in the course include:

1. Introduction to highways in the coastal environment

2. Waves

3. Tide and water levels

4. Revetment design for coastal embankments

5. Wave loads on bridge decks

6. Coastal geology and sediments

7. Shoreline change and stabilization

8. Road overwash

9. Tidal inlets and coastal bridges


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

  • Describe coastal engineering design issues related to highways using standard terminology with an understanding of the physical processes unique to this design environment
  • Identify appropriate planning, analysis, and design methods for highways and bridges exposed to coastal surge and waves
  • Describe differing levels of complexity involving coastal engineering and appropriate qualifications of engineers and coastal engineering consultants to address this complexity in design.


Participants are adult learners with (1) a general civil engineering education and background who currently work in highway planning and design and (2) coastal engineers with some experience in transportation engineering.

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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