4. Royal Gorge Bridge (Colorado)

The Royal Gorge Bridge is a tourist attraction near Cañon City, Colorado, within a 360-acre (150 ha) theme park. The bridge deck hangs 955 feet (291 m) above the Arkansas River, and held the record of highest bridge in the world from 1929 until 2003, when it was surpassed by the Beipanjiang River 2003 Bridge in China. It is a suspension bridge with a main span of 938 feet (286 m). The bridge is 1,260 feet (384 m) long and 18 feet (5.5 m) wide, with a wooden walkway with 1292 planks. The bridge is suspended from towers that are 150 feet (46 m) high.

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