The web Browser you are currently using is unsupported, and some features of this site may not work as intended. Please update to a modern browser such as Chrome, Firefox or Edge to experience all features Michigan.gov has to offer.
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
Carol Casteel, Administrative Assistant
Chris Johnecheck, GeoHazards Engineer
Foundation Design & Engineering Analysis
Ryan Snook, Foundation Analysis Engineer
Subsurface Investigation & Asset Management
Erron Peuse, Transportation Engineer
Consultant Coordination & Quality Assurance Oversight
Joel Tichenor, Transportation Engineer
Geotechnical Construction Support
Tony Pietrangelo, Transportation Engineer
Soils & Geosynthetic Testing
Bethany Enright, Transportation Engineer