Skip to main content

Geotechnical Services

A crane and workers placing segments of a soundwall.
Department of Transportation

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.

Questions? Contact Ryan Snook, Chief Geotechnical Engineer, at 517-243-5714.

Contact us

Area Name Title Email Phone number
Geohazards Chris Johnecheck GeoHazards Engineer JohnecheckC@Michigan.gov 517-636-5707
Foundation Design and Engineering Analysis Erron Peuse Foundation Analysis Engineer PeuseE@Michigan.gov 517-242-3369
Subsurface Investigation and Asset Management Tony Brehmer Transportation Engineer BrehmerA2@Michigan.gov 517-897-2542
Consultant Coordination and Quality Assurance Oversight Joel Tichenor Transportation Engineer TichenorJ@Michigan.gov 517-230-8374
Geotechnical Construction Support Tony Pietrangelo Transportation Engineer PietrangeloA@Michigan.gov 517-388-6369
Soils and Geosynthetic Testing Bethany Enright Transportation Engineer EnrightB@Michigan.gov 517-636-5706