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Bridge Engineering

Building strong connections with our clients.

Our bridge engineering team offers a wide variety of services including design of new bridges and inspection or repair of aged bridges. Whether the bridge is made of concrete or steel, is a small pedestrian bridge or a mile-long vehicular bridge, our team is fully capable of addressing the needs of the project.

Bridge engineering services provided by Coffman Engineers include:

  • Design (concrete, steel, timber, etc.)
  • Evaluation
  • Inspection
  • Repair
  • Preservation
  • Load Rating
  • Utility Attachments
  • Super Load Permit Review
  • Emergency Work
  • Bridge Traveler Design

Types of bridges:

  • Vehicular
  • Pedestrian
  • Sign
  • Culverts
  • Signal/High Mast Luminaires
  • Water Retention Tanks
  • Tunnels
  • Movable Bridges


Harvey Coffman, P.E., S.E. 

Dave Peden, S.E.

Harvey has over 35 years of bridge engineering experience, previously working as the Bridge Preservation Engineer for the Washington State Department of Transportation (WSDOT).

certified bridge engineer harvey coffman Coffman Engineer