Michael Barkley

Michael Barkley

Technician III

Michael Barkley has 20 years of experience providing materials coordination and quality control on transportation projects. He has a thorough knowledge of testing specifications and required materials documentation. His areas of specialization include PCC, HMA, aggregate, and soils testing. Michael is a versatile team member who also performs field inspection as the needs of the project dictate. He welcomes the challenges that projects present and thrives on providing solutions. Michael is a valuable and resourceful member of Cotter’s project teams.


  • IDOT Documentation of Contract Quantities
  • IDOT S-33 Soils
  • IDOT STTP S-19 Piling
  • Aggregate 5 day Technician Course
  • Bituminous Concrete Level I & II Technician Course
  • Portland Concrete Cement Level I & II Technician Course
  • Superpave Field Control Course
  • OSHA 10-Hour Construction Training
  • OSHA 30-Hour Construction Training


The way to get started is to quit talking and begin doing.

— Michael Barkley