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Roadway Surface Drainage and Drainage Crossing Structures


Poor roadway drainage is one of the leading culprits responsible for roadway infrastructure damage, increased maintenance costs, and roadside environmental impact. The solution? Get the water off the road surface quickly and effectively.

Join returning speaker, Gordon Keller, in the 3rd session of our Roadway Erosion Control Best Practices Master Class to explore the challenge of roadway drainage, the essential design elements and requirements, and how you can effectively apply available solutions (e.g., culverts, fords, bridges, etc.) and design best practices to better handle your surface drainage, reduce your roadway damage and maintenance needs, and improve your roadside water quality.

In this presentation, we’ll explore the importance of minimizing water accumulation on our roadways, and how you can apply the design elements and solutions to your design to accomplish effective drainage. Within this discussion, we’ll explore culverts, including their prominence within our roadway system and their unique challenges (e.g., plugging, bank erosion, overtopping, stream diversion, etc.), as well as outline culvert proper sizing, installation, alignment, bedding, compaction, and use of headwalls and end sections. Keller will also discuss low-water crossings and fords, their design requirements, advantages and disadvantages, as well as how when properly designed, these can offer a cost-effective alternative to culverts. Additionally, we’ll explore bridges and their associated challenges—both structural (e.g., hydraulic capacity, structural capacity, scour, etc.) and environmental (e.g., channel plugging with debris, streambank stabilization, changes in the channel)—and the available solutions to mitigate these issues. And finally, attendees will receive a useful set of references for addressing surface drainage issues, and the design and installation of culverts, fords, and bridges.

Learning Objectives 
Attendees can expect the discussion and education of the following learning objectives.

  • Understand the importance of all aspects of drainage, including surface drainage and the use of culverts, fords, and bridges
  • Understand the importance of keeping water off the road surface and how to avoid water concentration on the road
  • Learn what is important to make a culvert and bridge function properly and how to achieve their design lives
  • Learn how to avoid the problems that cause structural failures, including inadequate structure hydraulic capacity, poor installation, plugging problems, and scour
  • Learn how to design and properly use low-water crossings
  • Gain a set of references addressing surface drainage measures and the design and installation of culverts, fords, and bridges

* Presentations are scheduled for approximately one hour with a 15-20 minute question and answer session to follow. Presentation may exceed scheduled time. 
* Each state and certification agency has different requirements; it is your responsibility to know what they are. Note that 1 PDH = 0.1 CEU.

On-Demand Webcast
Session: 1 H 30 M
Lectures: 1
Credits: 1 PDH / 0.1 CEU



Special Group Pricing Available


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