From:

Graham Bettis, P.E., Director, Bridge Division

Manual:

Geotechnical Manual - LRFD

Effective Date:

April 26, 2024

The purpose of this manual is to document policy on geotechnical characterization and design for bridges, retaining walls, slopes, and ancillary structures in Texas transportation projects. This manual replaces the July 2022 TxDOT Geotechnical Manual and must be used for all projects with designs beginning after July 31st, 2024.

The manual incorporates LRFD into TxDOT geotechnical evaluation and design. This manual includes chapters that address geotechnical evaluation, design, and quality controls.

For more information about any portion of this manual, please contact the TxDOT Bridge Division.

Past manual notices are available in a .