179: Bridging the Bay: San Francisco’s Golden Gate and Bay Bridges (Infrastructure pt. 2)

“Everybody says it can’t be done.” This is the story of San Francisco’s two great bridges.  The bustling cities of Oakland and San Francisco are separated by less than ten miles of water, but for early twentieth-century Bay Area residents, it may as well be thirty—that’s the distance traveling around the Bay. Meanwhile, the mile of water across the Golden Gate Strait makes communities directly north of San Francisco likewise inaccessible. Bridges across both stretches of water would change the game entirely, but between harsh winds, thick fog, strong currents, and over 300 feet deep water—to say nothing of earthquakes—crowded ferries seem to be the only even-if-imperfect answer.  Or so they did.  From deep-sea divers to catwalking “bridge monkeys,” from deeply-driven caissons to high rising towers, miles of cables, and deadly accidents–this is the tale of the unyielding dreamers and doers who pushed the bounds of engineering in the midst of the Great Depression to bridge th...