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Bixby Bridge Seismic Retrofit Peer Review
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Crosby Group was contracted by Caltrans to perform a seismic peer review and retrofit design with a tight budget for this historic bridge. This effort included engineering review of design documents, parallel analytical evaluation of the retrofit scheme, review of specifications, and participation in the cost estimate preparation per Caltrans guidelines. This bridge, located on the California Central Coast, is listed on the National List of Historic Landmarks.

The structure is a 20-span concrete bridge, with the middle eleven spans being supported on concrete arch ribs founded at the base of the two main towers. The bridge framing consists of concrete beams and columns. We worked closely with the engineer-of-record, Buckland & Taylor, to ensure that the retrofit complied with the design criteria and we performed constructability reviews of the completed design. The final retrofit solution maintained the budgetary needs of the client and the historic features of the bridge.

LOCATION:
Monterey County, CA

COMPLETED:
1997

OWNER:
Caltrans

HIGHLIGHTS:
Historic Structure
Peer Review


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