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Natural Bridges National Monument in Utah protects the area surrounding three large natural bridges, all of which were formed by streams running through canyons, the largest of which is named Sipapu Bridge with a span of 225 feet (69 m).
Based on specific criteria that separate natural arches from natural bridges, Sipapu is the sixth longest natural bridge after the more well-known Rainbow Bridge also located in Utah, and four Chinese natural bridges—all longer than Rainbow Bridge—which were measured and documented by NABS between 2010 and 2015. [3]
Snake Bridge: United States, New Mexico, Sanostee: 62.2: 204: Span measured by NABS, 1988. Arch is on land of the Navajo Nation and is not publicly accessible. [24] 20: Pont d'Arc: France, Ardèche département: 59: 194: Spans the river Ardèche near the town of Vallon-Pont-d'Arc. [25] 21: Kachina Bridge: United States, Utah, Natural Bridges ...
Some bridges are measured from the beginning of the entrance ramp to the end of the exit ramp. Some are measured from shoreline to shoreline. Yet others use the length of the total construction involved in building the bridge. Since there is no standard, no ranking of a bridge should be assumed because of its position in the list.
So they called in the experts: geologists, geo technologists, road engineers and Virlogeux, who had already designed the Pont de Normandie – the 7,032-foot bridge spanning the river Seine in the ...
The bridge, opened to the public on August 20, 2016, measures 430 metres (1,410 ft) in total length and 6 metres (20 ft) in width, and is suspended about 300 metres (980 ft) above the ground. [1] The bridge spans the canyon between two mountain cliffs in Zhangjiajie National Forest Park in the northwest of Hunan province.
This list of the longest arch bridge spans ranks the world's arch bridges by the length of their main span. The length of the main span is the most common way to rank bridges as it usually correlates with the engineering complexity involved in designing and constructing the bridge. [ 1 ]
The bridge was officially named the Grand Canyon Bridge when it was dedicated on June 14–15, 1929. The state legislature changed the name to Navajo Bridge five years later in 1934. The original bridge was closed to vehicular traffic after the new span opened in 1995. The old span is still open for pedestrian and equestrian use. [1]