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Rainbow Bridge is a natural arch in southern Utah, United States. With a span of 275 feet (84 m), as reported in 1974 by the Bureau of Reclamation, [3] and height of 290 feet (88 m), it is one of the largest natural arches in the world. At the top it is 42 feet (13 m) thick and 33 feet (10 m) wide. [4]
Delicate Arch is not only the most famous arch at Arches National Park, but it's also "the most famous natural stone arch in the world," according to the park. It's also the largest free-standing ...
In the modern period, parabolic arches were first used extensively from the 1880s by the Catalan architect Antoni Gaudí, [6] deriving them from catenary arched shapes, constructed of brick or stone, and culminating in the catenary based design of the famous Sagrada Familia. Other Catalan architects then used them into the 1920s, and they ...
The span is a parabolic arch, the first built in the United States [4] [5] and the longest in the world at the time, according to its designer, W.J. Douglas. [3] The abutments and substructure of the bridge are of reinforced concrete; [1] [3] [6] the arch itself is not reinforced with steel. [3] The interior of the bridge is hollow.
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A climber even scaled Delicate Arch, the most widely recognized of Utah's more than 6,000 arches, leaving rope grooves in the sandstone that Garthwait said can still be seen today. The ascent led ...
Rocky Creek Bridge is a reinforced concrete open-spandrel arch bridge on the Big Sur coast of California, featuring a reinforced-concrete, open-spandrel, fixed, parabolic-arch, a decorative cantilevered walkway, and reinforced-concrete railings in an arched-window design.
Raymondville Parabolic Bridge is a historic lenticular truss bridge located at Raymondville in St. Lawrence County, New York. It was constructed in 1886 and spans the Raquette River. It was constructed by the Berlin Iron Bridge Co. of East Berlin, Connecticut. It was closed to vehicular traffic in 1979 was used briefly as a pedestrian bridge.