Trevor Lighty PE, DBIA

Trevor Lighty PE, DBIA

Associate Special Projects – Seattle, WA
  • Discipline Structural Engineering
  • Specialties Design-Build, Transportation, Fish Passages, Bridges, Marine and Waterfront Engineering
  • Education B.S., Civil Engineering, Purdue University
  • Affiliations/Licensure Design Build Institute of America (DBIA) American Society of Civil Engineers (ASCE) Coasts, Oceans, Ports and Rivers Institute (COPRI) - Chair, Seattle Chapter Professional Engineer: CA, WA
  • Hobbies & Interests Traveling, Skiing, Hiking, Hockey, Golf, Reading


Trevor started in the industry in 2008 and has provided civil and structural engineering services on a wide variety of projects including roadways, fish passages, bridges, marine/waterfront structures, and site design. Trevor has direct design experience on complex, unique, and high profile WSDOT design-build projects, and is experienced in working with multi-disciplinary teams to create successful projects that meet the needs of the client. He takes projects from conception through completion providing excellent service for a quality product and brings value to the team’s core capabilities through his extensive experience with management, design and construction of large transportation and infrastructure projects on both major urban freeways and rural roadways.


  • "Crossing Lake Washington", Civil Engineering Magazine · Jun 1, 2016

  • Floating Bridge Construction Using Waterfront Methods ASCE Ports 2016 Proceedings · Jan 1, 2016

  • Innovative Wall Replaces an Aging Timber Dock in Coos Bay, Oregon ASCE Ports 2016 Proceedings · Jan 1, 2016

  • Seismic Design of an Irregular Wharf Utilizing ASCE 61 ASCE Ports 2016 Proceedings · Jan 1, 2016

  • Design of a Steel Stop Log Gate and Basin Operations ASCE Ports 2013 Proceedings · Jan 1, 2013