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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.
Ryan Snook, Chief Geotechnical Engineer
517-243-5714
Reference Documents
Geotechnical Manual
Design of Temporary Earth Retention Systems (TERS) - Part 1
Design of Temporary Earth Retention Systems (TERS) - Part 2
Rock Quarries with Passing Durability and Gradation Tests (Riprap, Special, and Other Items)
Geohazards
Chris Johnecheck, GeoHazards Engineer
517-636-5707
Foundation Design & Engineering Analysis
Erron Peuse, Foundation Analysis Engineer
517-242-3369
Subsurface Investigation & Asset Management
Tony Brehmer, Transportation Engineer
517-897-2542
Consultant Coordination & Quality Assurance Oversight
Joel Tichenor, Transportation Engineer
517-230-8374
Geotechnical Construction Support
Tony Pietrangelo, Transportation Engineer
517-388-6369
Soils & Geosynthetic Testing
Bethany Enright, Transportation Engineer
517-636-5706