Geotechnical Design Manual

Picture of GDM Cover Page

The ODOT Geotechnical Design Manual establishes standard policies and procedures regarding geotechnical work performed for ODOT (DES 05-02).

All projects that have not passed the DAP phase gate shall use the most recent edition of the GDM.

Geotechnical Design Manual

Prior Version of the GDM Manual

Template for Revision to Geotechnical Design Manual

Programmatic Biological Opinion for Drilling, 2004

FHWA Checklist and Guidelines for Review of Geotechnical Reports and Preliminary Plans and Specifications, 2003

ODOT Research Report "FHWA Assessment and Mitigation of Liquefaction Hazards to Bridge Approach Embankments in Oregon," SPR 361, 2002

NCHRP Comprehensive Specification for the Seismic Design of Bridges Report 472, 2002

OSU Report to ODOT "Recommended Guidelines for Liquefaction Evaluations using Ground Motions from Probabilistic Seismic Hazard Analysis, 2005

FHWA Geotechnical Engineering Circulars

AASHTO LRFD Bridge Design Specifications

Geotechnical Engineering & Engineering Geology Section

4040 Fairview Industrial Drive SE, MS 1

Salem, Oregon 97302

Fax: 503-986-3249

Email the GEEG Section

Program Leads

Susan Ortiz- State Geotechnical Engineer

Phone: 503-428-1344

Curran Mohney - Engineering Geology Program Leader

Phone: 503-986-3490

Related Content

Geology and Geotechnical Engineering

Previous GDM Manual