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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. We estimate all courses to be available by mid-December.

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Course Description

Roadway Interactions with Rivers and Floodplains: Basic Concepts

PROGRAM AREA: Hydraulics
Web-based Training (WBT)Web-based Training (WBT)
Calendar Year
4 Hours
0.4 Units
$0 Per Participant
4 Hours
0.4 Units
$0 Per Participant



NHI Course 135096, "Roadway Interactions with Rivers and Floodplains: Basic Concepts" is a web-based training (WBT) designed to familiarize participants with the concepts and terminology used to describe and discuss basics of river forms, sediment transport, and channel changes and their relation to transportation infrastructure in the river environment. This course provides an introduction suitable for anyone who will be planning, designing, constructing, or operating transportation projects in river environments.

NHI strongly suggests that participants complete this self-paced WBT before attending the 3-day companion instructor-led training (ILT) course, "Roadway Interactions with Rivers and Floodplains" (NHI 135097).

Bridges, culverts, and roadways can impact rivers, floodplains, and their habitats, while channel dynamics - including erosion, sediment deposition, and channel shift - often affect transportation infrastructure. Therefore, this course addresses these interactions so that planners and engineers create resilient and sustainable highway structures with the goals of providing cost-effective hydraulic performance, while limiting adverse environmental impacts.

This WBT consists of six main lessons: 1) Attributes of Rivers and Transportation Infrastructure Projects; 2) River and Floodplain Functions; 3)Adverse Transportation Infrastructure/River Environment Interactions; 4)Potential Solutions to Typical Adverse Transportation Infrastructure/River Environment Interactions; 5)Risk, Resilience, Reliability, and Sustainability; and 6) Regulations and Permits. As a part of each lesson, knowledge check questions will be presented to test participants' understanding of the material presented in each lesson.


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

  • Describe type of encroachments cause by transportation infrastructure projects in the river environment
  • Describe the key attributes of rivers
  • Describe the primary river and floodplain functions
  • Describe potential adverse interactions between transportation infrastructures and the river environment
  • Describe how protecting river functions in each phase of the transportation project life cycle fosters infrastructure resilience, reliability, and sustainability while reducing risk
  • Describe potential solutions to typical adverse infrastructure/river interactions


The target audience includes planners, environmental scientists, permit reviewers, roadway designers, river scientists, engineers (generalist, hydraulic, structural, and operations), construction managers, maintenance workers, and any other transportation industry professionals typical of a multi-disciplinary team involved in the planning, permitting, design, construction, and maintenance of transportation infrastructure.

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

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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