World Highest Bridge over one of the World's Most Stupendous Chasms, Serial No. 8A4n, Constructed in 1929 offers new conceptions of the thrilling depths of the Royal Gorge. It is a Toll Bridge for autos as well as foot passengers, and gives access to the hitherto unapproachable south rim of the gorge, Bridge is a quarter of a mile in length with a span of 880ft, between the towers, 150 ft in height, From its Center one may look at a unobstructed drop of 1052 ft to the bottom of the gorge, Not Written On and Not Postmarked, Slight Wear, Overall Good Condition! 4583