Welcome to the Bay Bridge East Span Biological
Mitigation website. The goal of this website is to provide timely
information about Caltrans' biological mitigation and monitoring
efforts related to the construction of the new San Francisco-Oakland
Bay Bridge East Span to the regulatory agencies and members of
Over the course of construction, updated biological monitoring
information will be posted on this website and all monitoring
and compliance reports will be available in the form of viewable
or downloadable files.
For more information about the construction on the
Bay Bridge, please visit the Caltrans Bay Bridge Seismic Safety Project website .