Stamp Issue : 1947-07-30
San Francisco – Oakland Bay Bridge (known locally as the Bay Bridge) is officially called the Jamde "Sunny Jim" Rolph Bridge. Located in the San Francisco Bay Area of California, in the United States, it is a series of double-decker bridges linking San Francisco, Yerba Buena Island and Oakland. Forming part of Interstate 80, it carries approximately 280,000 vehicles per day on its two decks. The bridge consists of Double-decked Suspension, Truss & Cantilever Bridges and Tunnel. It was designed by Ralph Modjeski and opened for traffic on November 12, 1936.