Progressive Construction Golden Gate Bridge
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Series 100 Facts About Golden Gate Bridge - Spans Golden Gate connecting San Francisco with Marin County and the north. Length of Bridge and approaches about seven miles. Length of Bridge proper, 8,940 feet. Span between towers 4,200 feet, - longest in the world. Main towers 746 feet above water-highest in the world. Bridge clearance above water, 220 feet. Width of bridge, 90 feet. Six vehicular traffic lanes, two ten feet side walks. Cables 36 inches in diameter. Wires in each cable, 27,572. Date of completion, 1937. Total cost about $35,000,000 |
