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Geotechnical Services
Geotechnical 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
Reference Documents
Geotechnical Manual
Design of Temporary Earth Retention Systems (TERS) - Part 1
Design of Temporary Earth Retention Systems (TERS) - Part 2
Geohazards
Chris Johnecheck, GeoHazards Engineer
517-636-5707
Foundation Design & Engineering Analysis
Ryan Snook, Foundation Analysis Engineer
517-636-5714
Subsurface Investigation & Asset Management
Erron Peuse, Transportation Engineer
517-636-5711
Consultant Coordination & Quality Assurance Oversight
Joel Tichenor, Transportation Engineer
517-636-4933
Geotechnical Construction Support
Tony Pietrangelo, Transportation Engineer
517-388-6369
Soils & Geosynthetic Testing
Bethany Enright, Transportation Engineer
517-636-5706