October 15, 2026
Georgia DOT's Accelerated Bridge Construction Policy - Success Story
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October 15, 2026
Donn Digamon, P.E., State Bridge Engineer, Office of Bridge Design and Maintenance
Dexter Whaley, P.E., Bridge Design Group Manager – GDOT Office of Bridge Design and Maintenance
Tim Dow, P.E., Senior Project Manager - Gresham Smith
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Announcements: This portion of the IBT/ABC-UTC Monthly Webinar will provide you with the latest happenings related to Innovative Bridge Technologies and ABC in the US and abroad to keep you informed. (10 minutes)
Featured Presentation: Georgia DOT's Accelerated Bridge Construction Policy - Success Story (35 minutes)
Description:
This webinar highlights the Georgia Department of Transportation’s distinctive Accelerated Bridge Construction (ABC) Policy, which prioritizes strategic project selection to reduce overall bridge construction durations to 3–6 months. GDOT’s approach emphasizes comprehensive schedule compression through innovative construction methods tailored to Georgia’s infrastructure needs. Drawing on the official GDOT ABC guidance manual and supporting tools, this presentation will cover policy criteria, selection processes, and practical implementation strategies. It will also provide an update on how the policy is currently working within the department, showcasing its effectiveness in advancing project delivery, minimizing public disruption, and enhancing bridge construction outcomes. Attendees will gain valuable insights into GDOT’s evolving framework for accelerating bridge projects across the state.
Presenters:
Donn Digamon, P.E.
State Bridge Engineer
Office of Bridge Design and Maintenance
Georgia DOT
Donn graduated with a bachelor’s degree in Civil Engineering from the Georgia Institute of Technology in 1999 and has a Georgia PE license. Prior to joining GDOT, Mr. Digamon had 15 years of experience as a consultant bridge designer having done work in Alabama, Arkansas, Mississippi, Tennessee, and Georgia. He joined GDOT in April 2014 as a Bridge Design Group Leader in the Office of Bridge Design and Maintenance and was promoted to Senior Group Leader four years later. From 2016 to 2021, he also served as the Office of Environmental Services and Bridge Office Liaison.
Dexter Whaley, P.E.
Bridge Design Group Manager
Office of Bridge Design and Maintenance
Georgia DOT
Dexter has two decades of dedicated experience in the design and delivery of transportation infrastructure. Drawing on his extensive background, Dexter leads a high-performing team of bridge design professionals, guiding the successful delivery of safe, innovative, and efficient bridge solutions throughout Georgia. As GDOT’s primary contact for Accelerated Bridge Construction (ABC), he played a pivotal role on the team that developed the department’s Accelerated Bridge Construction Guidance manual and decision-support tools. Dexter holds a Bachelor of Science degree in Civil Engineering from Florida Atlantic University.
Tim Dow, P.E.
Senior Project Manager
Gresham Smith
Tim is a structural engineer, project manager, and certified bridge inspector at Gresham Smith with over 12 years of structural design, rehabilitation, and policy development experience across Georgia and the Southeast. Tim was one of three co-authors of the GDOT’s official Accelerated Bridge Construction Guidance manual and decision-support tools. He also served as Co-Chair of the Georgia Partnership for Transportation Quality ABC Task Force through the publication of the guidance manual in early 2025. Tim holds a Master of Science and Bachelor of Science in Civil Engineering from Kennesaw State University, as well as a Bachelor of Science in Civil Engineering Technology from Southern Polytechnic State University.
Presentation Graphics:
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