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230 grains is about 0.00000000002 times as heavy as The Golden Gate Bridge
In other words, it's 0.00000000001850 times the weight of The Golden Gate Bridge, and the weight of The Golden Gate Bridge is 54,100,000,000 times that amount.
(San Francisco, California and Marin County, California) (Post 1986 weight reduction; total weight of bridge, anchorage, and approaches)
Following the completion of the 1986 project to eliminate excess material, the total weight of the Golden Gate Bridge — including its anchorages and approaches — is 12,400,000,000,000 grains. The two main cables in the spanning the bridge are spun out of a total of 129,000 km (80,200 mi) of wire.
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