TRB Webinar: Solutions for Aging Low-Volume Road Bridges

October 03, 2017 01:00 PM - 02:30 PM U.S. Eastern
Cost (for your seat)
Professional Development Hours for this webinar
1.5 hour(s)
Continuing Education Hours for this webinar
AAE: 0.0 hour(s)
AICP: 0.0 hour(s)
CLE: 0.0 hour(s)

TRB will conduct a webinar on Tuesday, October 3, 2017 from 1:00 PM to 2:30 PM ET that will illustrate ways to repair old bridges, close bridges, and find alternate structures or routes that adhere to budgetary restraints. Presenters will discuss several options, including salvaging old parts, using accelerated bridge construction and modular construction techniques, building geosynthetic reinforced soil bridge abutments, and building long-span buried bridges.

This webinar was organized by the TRB Standing Committee on Low-Volume Roads and the TRB Standing Committee on Culverts and Hydraulic Structures.

Some registrants will need to pay $55 to attend this webinarSign into to view registration information.

Webinar Presenters

  • Brian Keierleber, Buchanan County, Iowa
  • Daniel Alzamora, Federal Highway Administration
  • Joel Hahm, Big R Bridge

Moderated by:  Gordon Keller, Genesee Geotechnical

Webinar Outline

  1. The plight of old, rural bridges
  2. County perspective on options for bridge repairs and replacement
  3. Geosynthetic reinforced soil bridge abutment design considerations
  4. Buried bridges as an alternative to conventional bridges
  5. Question and answer session

The first 60 minutes of the webinar will be for presentations and the final 30 minutes will be reserved for audience questions. The Registered Continuing Education Program (RCEP) categorizes this webinar activity as relating to health, safety, and welfare including core technical.

Learning Objectives

At the end of this webinar, participants will be able to:

  • List alternatives for replacing or repairing old bridges
  • Understand how to use geosynthetic reinforced soil bridge abutments
  • Understand how to use buried bridges as an alternative to conventional bridges

Professional Development Hour Information

A certificate for 1.5 Professional Development Hours (PDHs) will be provided to Professional Engineers (PEs) who register and attend the webinar as an individual. For groups, only the person that registers and attends the session will receive a PDH certificate. Certificates of Completion will be issued only to individuals who register for and attend the entire webinar session.

Individuals registered as Florida PEs are no longer required to email TRB with your license number to report your attendance. Instead, please use your certificate that TRB provides through as verification of your attendance to the Florida Board of Professional Engineers.

Please check with your licensing board to ensure that TRB webinar PDHs are approved by your board.

This webinar was developed in March 2017. TRB has met the standards and requirements of the Registered Continuing Education Program (RCEP). Credit earned on completion of this program will be reported to RCEP by TRB. Complaints about registered providers may be sent to RCEP, 1015 15th Street, NW, 8th Floor, Washington, DC 20005. Website:

Registration questions? Contact Reggie Gillum at