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Longest concrete arch span being built at Minneapolis
Arch will consist of two separate ribs of 400-ft. span between faces of piers, with rise of 88 ft. above springing line, at high-water level. Main arch is flanked at each end by one arch with clear span of 199 ft. and one of 55 1/2 ft., total length of bridge over abutments being 1032 ft.
Longest concrete arch span being built at Minneapolis
Arch will consist of two separate ribs of 400-ft. span between faces of piers, with rise of 88 ft. above springing line, at high-water level. Main arch is flanked at each end by one arch with clear span of 199 ft. and one of 55 1/2 ft., total length of bridge over abutments being 1032 ft.
Longest concrete arch span being built at Minneapolis
Cement Eng. News
1920
1 Fig.
Article (Journal)
English
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