United States - San Francisco – Oakland Bay Bridge 舊金山-奧克蘭海灣大橋

 

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.

舊金山-奧克蘭海灣大橋，當地多簡稱為海灣大橋，正式名稱為詹姆斯「陽光吉姆」羅爾夫大橋，是一座位於美國舊金山灣區，連接舊金山、耶爾巴布埃納島、以及奧克蘭的雙層公路橋梁。海灣大橋是橫跨全美國的80號州際公路一部份，每天約有28萬輛次車輛行經這座橋梁。海灣大橋是由莫德耶斯基設計為雙層懸索橋、桁架及懸臂橋樑和隧道等組合，1936年11月12日完工通車。