The Quebec bridge, recently the scene of a terrible 'disaster, is designed to be one of the wonders of the world. It’s channel span between the two main piers is to be 1,800 feet, the longest single bridge span ever constructed,, exceeding that of the Forth Bridge by 9o feet. The two cantilever arms are to be each 5,625 ft-, and the centre suspended portion 675 ft. It is to carry two railway tracks, two electric car tracks, two carriage ways, and two footpaths. The entire length is 3,240 ft. and the width 90ft.
The Quebec bridge is- to be the greatest single-span cantilever bridge in the world. The most famous bridges in other classes are ; The longest river bridge in the world is the Forth bridge. 8,295 ft. Its centre is 152 ft. above high water. Fifty-six lives were lost during its construction.
The world’s greatest single-span suspension bridge is across the East River, connecting Brooklyn and New York. Us length is 7,264 ft., a nd there is a clear river-span of 1,600 ft. with a platform elevation of 135 ft. above mean high water. Opened in 1903, it cost between £3,000,000 and £4,000,000. About twenty workmen were killed during its construction. The highest bridge in the world, opened in 1905, crosses the Zambesi River at Victoria Falls. Rhodesia. It is 450 ft. above the liver’s surface.
Niagara Falls bridge has the greatest arch span in the. world. 840 ft., 200 ft. above the pool. The longest concrete-arch in the world crosses the Santa Anna River, California, ; length 1,000 ft., with 10 arches of 86ft. clear span each, and height above water, 60ft.
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Famous Bridges., Southern Cross, Volume 15, Issue 27, 26 October 1907
Famous Bridges. Southern Cross, Volume 15, Issue 27, 26 October 1907
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