Start of San Francisco Bay Bridge Construction

As the Great Depression gripped the U.S., public works projects like the San Francisco Bay Bridge were launched to stimulate the economy and improve infrastructure. On March 28, 1935, groundbreaking ceremonies marked the start of this massive engineering endeavor, designed by chief engineer Charles H. Purcell and involving thousands of workers who tackled challenges like deep water foundations and seismic stability. The bridge incorporated rail lines for the Key System, a streetcar and interurban network, allowing seamless integration with existing rail services. Key figures included President Franklin D. Roosevelt, who supported federal funding, and local leaders pushing for regional connectivity. This event boosted railroad development by linking San Francisco with the East Bay, facilitating commuter and freight transport, and it symbolized the era's focus on modern transportation networks. Its lasting impact includes the bridge's role in urban sprawl and the evolution of Bay Area transit, with parts of the original rail system influencing BART today. For enthusiasts, this milestone offers exciting modeling opportunities, from the bridge's Art Deco design to the electric streetcars that once crossed it, connecting broader historical narratives of American infrastructure growth.