Science & Tech
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Rainbow Bridge, owned and operated by the Niagara Falls Bridge Commission, was built in 1940-41 to replace the Upper Steel Arch Bridge. Its abutments are 15.1 meters (50 feet) above the level of river ice jams. When it was built, its 286-meter (950-foot) arch was the longest hingeless arch in the world.
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Niagara Falls, New York · United States
