Caltrans Seismic Design Criteria (SDC) was used to determine internal reinforcing steel to achieve a displacement ductility of 5. Furthermore, all detailing used in the CIP model adhered to Caltrans ...

The bridge deck, though, has "reached the end of its design life," Caltrans documents state, "and the deck replacement is the best available option." The bridge opened in 1963. Others raised ...

Marin County supervisors approved a funding plan that includes $400,000 from a federal grant for design and engineering work ...

Although the bridge itself is structurally sound, according to Caltrans, its deck is “rapidly deteriorating.” The reasons listed are concrete “fatigue” caused by heavy traffic, as well as ...

SONOMA COUNTY, CA—As part of an emergency project to strengthen the Jones Creek Bridge on State Highway 116 in Forestville, Caltrans will close a half-mile stretch of the roadway for three days.