The California Department of Water Resources has completed the seismic retrofits on Castaic Dam’s tower access bridge in Los Angeles County. The completion marks a major milestone to ensure the resiliency of State Water Project facilities. … Improvements to the 500-foot-long bridge consisted of applying carbon fiber reinforced polymer wrapping to three piers. To allow for continued safe operations of the intake tower and access bridge during a major earthquake, the project also included adding catcher blocks, shear keys, elastomeric bearing pads and steel plates.