Photo: David Gonzalez, MnDOT

In this workshop, you’ll learn about the purpose of well-designed, well-built, and well-maintained culverts. You’ll review the important role culverts play in the drainage system and why proper design, installation, and maintenance are essential for well-performing culverts. The workshop will provide a basic understanding of the principles of culvert theory, design, location, planning, scheduling, permitting, and typical installations. It also outlines culvert inventory, inspection, repair, and rehabilitation methods.

Dates and Locations

This workshop is scheduled from 8:30 a.m. to 4:00 p.m. (registration begins at 8:00 a.m.) at the specified location on each of the dates listed below.

  • December 7, 2022—St. Cloud MnDOT, 3725 12th St. N., St. Cloud, MN 56303
  • December 13, 2022—Mankato MnDOT, 2151 Bassett Dr., Mankato, MN 56001
  • December 14, 2022—Virtual, offered through Zoom


  • Register
  • Cost: $75 in person (includes breakfast, lunch, and program materials); $45 virtual
  • Registration contact: Samantha Redmond,
  • Accommodations: If you require any disability-related accommodations to fully participate in this workshop, please contact Requests should be made immediately upon registering to ensure accommmodation of your needs.

Topics Covered

  • Theory and design
  • Installation prep
  • Open cut installation
  • Trenchless installation
  • Rehabilitation
  • Inspection and maintenance

Who Should Attend

This is a comprehensive workshop for engineers, supervisors, and technicians who regularly work with culverts. It’s geared toward those who install and maintain them as well as those who perform simple designs.

Course Instructors

Eric Johnson is a 1993 graduate of the University of Wisconsin−Eau Claire with a BA in secondary English education. Eric has most recently worked as a construction inspector for Professional Engineering Services. Over the last 20 years, Eric has served as an inspector on many local municipal projects, including the Guthrie Theater, Target Field, Highway 212, the Central Corridor and SW Corridor Light Rail projects, the 35E MnPASS project, Highway 610, various METC sewer rehab projects, and Saint Paul Metro Waste Water Treatment Plant renovation. He carries multiple MnDOT inspection certifications as well as the national CIPP inspection certification through NASSCO.

Ted Johnson spent the first part of his career as a high school teacher, teaching art and industrial education. He has a degree in secondary education. Ted has taught classes for MnDOT as part of ADA training and in the MnDOT Technical Certification Program. He’s worked extensively for MnDOT for the last 15 years and is currently a grading inspector on the Highway 14 Expansion Design Build.



This workshop is presented by the Minnesota Local Technical Assistance Program (LTAP) at the Center for Transportation Studies, University of Minnesota. Minnesota LTAP is sponsored by the Minnesota Local Road Research Board (LRRB) and the Federal Highway Administration (FHWA). This course is subsidized through funding from LRRB and FHWA.