Question: Which Colorado bridge was the highest suspension bridge in the world for more than 70 years?

Answer: Royal Gorge Bridge. Built in just six months in 1929, the bridge suspends 956 feet above the Arkansas River and remains the highest suspension bridge in the United States. It held the record as the world’s highest bridge from 1929 until 2001, when it was surpassed by China’s Liuguanghe Bridge.