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FHWA Home / Resource Center / Geotechnical and Hydraulic Engineering Team

Geotechnical and Hydraulic Engineering

Geotechnical and Hydraulic Engineering Team

We are pleased to offer our services and provide you with the latest in Geotechnical and Hydraulic Engineering information and technology.

Here you will find important information about FHWA Geotechnical and Hydraulics initiatives along with who to contact for training and assistance.

Listed below are the Resource Center Geotechnical and Hydraulics experts. Please email or call the specialist nearest you.

Team Members

Technical Director

Thomas Drda
Acting Technical Director, Geotechnical and Hydraulics Engineering and Structures Teams
Thomas.drda@dot.gov

Team Member Specialty Area(s)
Justice Maswoswe, Ph.D., P.E.
Senior Geotechnical Engineer
justice.maswoswe@dot.gov
• LRFD Design & Implementation
• Foundation Load Tests
• Design of Driven Piles & Drilled Shafts
• Selection and Design of Shallow Foundations
• Large Size Driven Piles
• Geotechnical Performance Management
Benjamin Rivers, P.E.
Senior Geotechnical Engineer
benjamin.rivers@dot.gov
• Deep Foundations
• Ground Improvement
• Subsurface Investigations
• Slope Stability & Embankments
• Soil Tunnels (ITT, TBM, C&C)
   
Derrick Dasenbrock, P.E., D.GE, F. ASCE
Geotechnical Engineer
derrick.dasenbrock@dot.gov
• Subsurface Characterization
• Soil and Rock Slopes
• Drilled Shaft Construction
• Earthwork Construction
• Geohazards
   
Daniel Alzamora, P.E.
Team Leader, Senior Geotechnical Engineer
daniel.alzamora@dot.gov
• Earth Retaining
• Slope Stability and Embankments
• Mechanically Stabilized Soils
• Geosynthetics
• Geosynthetic Reinforced Soils
• Integrated Bridge System (GRS IBS)
Team Member Specialty Area(s)
Laura Girard, P.E.
Senior Hydraulic Engineer
laura.girard@dot.gov
• Bridge and Culvert Hydraulics
• Bridge Scour Assessment
• Countermeasure Design
• River Engineering Analyses
• Resilience and Climate Change
   
Ryan Lizewski
Hydraulic Engineer
ryan.lizewski@dot.gov
• Urban Drainage
• Bridge and Culvert Hydraulics
• Coastal Hydraulics and Resilience
• Floodplain Hydraulics
   
Megan Frye, P.E
Hydraulic Engineer
megan.frye@dot.gov
• Hydrologic Analyses
• Hydraulic Modeling
• Culvert Hydraulics
• Roadway Drainage
   
David Claman
Hydraulic Engineer
david.claman@dot.gov
• Culvert Hydraulics
• Bridge Hydraulics
• Roadway Drainage
• Floodplains
• Hydrologic Analyses
   
Scott Hogan, P.E.
Team Leader, Senior Hydraulic Engineer
scott.hogan@dot.gov
• Hydraulic Modeling
• Bridge and Culvert Hydraulics
• Bridge Scour Assessment
• Countermeasure Design
• River Engineering Analyses
Page last modified on November 9, 2022
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000