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Great Engineering

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Pacific Press Publishing Company · Oakland, California · Jun 18, 1896

FromSigns of the Times, Vol. 22, No. 24.

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Great Engineering

The largest new metal arch bridge in the world at the present time is the bridge of Louis I., in Oporto, Portugal. It has a rise of 145 feet, with a main span of 566 feet. This is to be superseded by a new bridge over Niagara, having a rise of 150 feet and an arch span of 840 feet, the largest in the world. The total metal in the new structure will be 4,000,000 tons.