• Logo Bureau of Bridges & StructuresGeotechnical Services

    Geotechnical Services Section supports the planning, design, construction, maintenance and rehabilitation of  geotechnical features essential for MDOT’s bridge and heavy civil infrastructure.  In‑house capabilities include foundation engineering and design for bridges, culverts and complex structures; subsurface investigation of soil, rock, and groundwater; in-situ and laboratory testing of soils; laboratory testing and specification of geosynthetic materials; geotechnical policy, project scoping, contract management, and quality assurance oversight of external partners; management and correction of geohazard sites.

    Richard Endres, Chief Geotechnical Engineer
    517-636-5453

    Carol Casteel, Administrative Assistant
    517-636-5703

    Geohazards
    Chris Johnecheck, GeoHazards Engineer
    517-636-5707

    Foundation Design and Engineering Analysis
    Ryan Snook, Foundation Analysis Engineer
    517-636-5714

    • Subsurface Investigation and Asset Management
      Erron Peuse, Transportation Engineer
      517-636-5711
       
    • Consultant Coordination and Quality Assurance Oversight
      Joel Tichenor, Transportation Engineer
      517-636-4933
       
    • Geotechnical Construction Support
      Tony Pietrangelo, Transportation Engineer
      517-388-6369
       
    • Soils and Geosynthetic Testing
      Bethany Enright, Transportation Engineer
      517-636-5706