Golden Gate Bridge. ca. 1937, San Francisco, California, USA, GOLDEN GATE BRIDGE Spanning San Francisco's 'GOLDEN GATE', 82. TOWARD THE MARIN SHORE. Traffic lanes, six of them and two ten foot sidewalks accommodate the travel across the Golden Gate Bridge. This structure is 8940 feet lng with towers 746 feet high and a clearance above the waterline of 220 feet. The main span is 4200 feet in length, which is the largest in the world. Total cost to construct $35,000,000.00.