FDH Infrastructure Services


With an engineering program rooted in university research, FDH is a pioneer in the nondestructive evaluation (NDE) of transportation structures. The firm’s research and development of electromagnetic and dispersive wave propagation (DWP) techniques for concrete and timber bridge piers has led to the award of three U.S. patents and multiple proprietary analysis techniques.

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Bridges, Tunnels, Roads

  • Structural Engineering (Structure Design, Foundation Design, Structural Evaluation, Modification Design)
  • Geotechnical Engineering (Lab Analysis, Resistivity Testing, Drilling Portfolio, Geotechnical Reports)
  • Civil Engineering (Site Remediation, Bridge Scour Analysis, Environmental, Temporary Access Mounting)
  • Field Investigations (Inspections, Foundation Mapping, Structure Mapping)
  • Nondestructive Testing (Dispersive Wave, GPR Rebar Mapping, Infrared Thermography, Concrete Strength, Ultrasonic Testing, Corrosion, Post-Tensioned Rod Tension)
  • Construction (Painting & Lead Abatement)
  • Forensic Engineering/Expert Witness Services
  • Research & Development
  • Corporate Headquarters
  • 6521 Meridien Drive
    Raleigh, NC 27616