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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

Gregory Punske
Geotechnical and Hydraulic Engineering Technical Director

Team Member Specialty Area(s)
Naser Abu-Hejleh, Ph.D., P.E.
Geotechnical Engineer Specialist
• 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
Daniel Alzamora, P.E.
Senior Geotechnical Engineer
• Earth Retaining Structures
• Slope Stability & Embankments
• Mechanically Stabilized Soils
• Geosynthetics
• Geosynthetic Reinforced Soil - Integrated Bridge System (GRS-IBS)
Justice Maswoswe, Ph.D., P.E.
Senior Geotechnical Engineer
• Deep Foundations
• Ground Improvement
• Subsurface Investigations
• Slope Stability & Embankments
• Soil Tunnels (ITT, TBM, C&C)
Benjamin Rivers, P.E.
Senior Geotechnical Engineer
• Subsurface Characterization
• Soil and Rock Slopes
• Drilled Shaft Construction
• Earthwork Construction
• Geohazards
Derrick Dasenbrock, P.E., D.GE, F. ASCE
Geotechnical Engineer
• Site Characterization
• Geotechnical Testing (In-situ and lab)
• Soil, Rock, and Soil-Structure Behavior
• Instrumentation
• Measurement and Inspection
• Performance Monitoring and Data Visualization
• Alternative Procurement
Team Member Specialty Area(s)
Scott Hogan, P.E.
Senior Hydraulic Engineer
Open Channel Hydraulics
One- and Two-dimensional Hydraulic Modeling
Bridge Hydraulics and Scour
Sediment Transport Analysis
Stream Stability and Countermeasures
Culvert Design and Rehabilitation
Energy Dissipator Design
Laura Girard, P.E.
Senior Hydraulic Engineer
Bridge and Culvert Hydraulics
Bridge Scour Assessment
Countermeasure Design
River Engineering Analyses
Cynthia Nurmi, P.E.
Hydraulic Engineer
FEMA Floodplain development
Plans of Action
Urban Drainage

Megan Frye, P.E
Hydraulic Engineer
Roadway Drainage
Culvert Hydraulics

Page last modified on July 26, 2021
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000