Bosphorus Bridge is and the total height of the towers is . The clearance of the bridge from sea level is . Upon its completion in 1973, the Bosphorus Bridge had the fourth-longest suspension bridge span in the world, and the longest outside the United States (only the Verrazano-Narrows Bridge, Golden Gate Bridge and Mackinac Bridge had a longer span in 1973). The Bosphorus Bridge remained the longest suspension bridge in Europe until the completion of the Humber Bridge in 1981, and the longest suspension bridge in Asia until the completion of the Fatih Sultan Mehmet Bridge (Second Bosphorus Bridge) in 1988
Black Suspension Bridge file, 42 Havasupai tribesmen carried the one-ton, 550-foot suspension cables. Black Suspension Bridge The Black Suspension Bridge also known as the Kaibab Suspension Bridge spans the Colorado River in the inner canyon of Grand Canyon National Park. It is part of the South Kaibab Trail and is the river crossing used by mules going to Phantom Ranch. The Black Bridge and Silver Bridge, located about 700 meters downstream, are the only spans in hundreds of river miles. The Black Bridge was built in 1928. As motorized vehicles could not access the construction site, humans and mules transported the 122 tons