About 300 professionals deliver an impressive range of engineering, mapping, environmental, architectural, and survey services at Ayres Associates. Our filterable database makes it easy to check out the credentials of key staff in the disciplines of interest to you – and to contact them directly to get more information about working with you on a project.

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Christopher McMahon

Supervisor - Structural Engineering

Eau Claire, WI

"I just wanted to let you know how appreciative the City of Eau Claire is for Chris McMahon's extra efforts in accelerating the design of the High Bridge to make it possible for us to advertise the project for bid today. We found out about (the Act 20 funding deadline of July 1) in April of this year, and Chris was able to get the plans done as well as marshal the project through the 106 (archaeological/historical) process in time to meet the requirement."
David Solberg
Eau Claire, WI

Chris has been a structural engineer with Ayres Associates since 1989. His comprehensive understanding of structural engineering stems from the design of hundreds of bridges, as well as bridge inspections, studies for large-scale projects involving multiple structures, and structural reviews. As a lead structural reviewer for Ayres' hydraulic and structural review contract with the Wisconsin Department of Transportation, Chris completed 375 structural reviews of grade separation structures, structural rehabilitations, sign bridges, and retaining walls.

Chris methodically and painstakingly goes about completing and checking structural designs, adding an extremely high level of confidence to every project he touches. This reputation for error-free, easy-to-read plans leads contractors to bid Ayres-designed projects tighter. Clients and industry groups also recognize the quality and precision Chris brings to projects and have awarded recognition to many of his projects.

Chris' areas of expertise include the following:

  • Structural investigation and design
  • Bridge hydraulic design
  • Bridge type studies
  • Bridge and highway design
  • Bridge inspection
  • Underwater inspection (dams and bridges)
  • Bridge load rating
  • Material testing
  • Bridge rehabilitation and repair
  • Economic feasibility studies
  • Highway, railroad, and pedestrian bridges
  • Bridge construction observation
  • Highway construction management

  • Inspection Team Leader, WI
  • PADI Certified Scuba Diver
  • FHWA NHI 130053 Bridge Inspection Refresher
  • FHWA NHI 130055 Safety Inspection of In-Service Bridges
  • BS, Civil Engineering, University of Wisconsin-Platteville
  • Registered Professional Engineer, WI
  • Registered Professional Engineer, MI
  • Registered Professional Engineer, AZ
  • Registered Professional Engineer, WY
  • Registered Professional Engineer, CO