|January 2014 (38.15899 Degrees, -121.68393 Degrees) Rio Vista Bridge|
Sacrificial expansion joints were used to accommodate large longitudinal movements. Also cable restrainers were placed in front of the counterweights to prevent them from swinging into the towers (see photo below). Thus, the retrofit allows movement and damage while preventing a collapse for the maximum credible earthquake. For a more moderate event, the retrofit may allow the structure to remain in service.
Solano County, California Bridges: Rio Vista Bridge across the Sacramento River by Mark Yashinsky is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.