The Cold Spring Canyon Arch Bridge in the Santa Ynez Mountains links Santa Barbara, California with Santa Ynez, California. The bridge is signed as part of State Route 154. The current bridge was completed and opened to traffic in 1963 and won awards for engineering, design and beauty. It is currently the 5th-longest span arch bridge of this "supported deck" type in the world. Seismic retrofitting was completed in 1998.