Updated Design Guidance

The following design guidance has been updated: Seismic Design Code (SDC) v2.0. Effective September 1, 2019 all ordinary bridges that have not completed the type selection phase shall be designed in accordance with Caltrans Seismic Design Code Version 2.0 (SDC v2.0). All projects that have completed the type selection phase before September 1, 2019 shall … Read more Updated Design Guidance