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
Union Bridge (Tweed) Union Bridge (Tweed) The Union Bridge, also known as the Union Suspension Bridge or Union Chain Bridge, is a suspension bridge that spans the River Tweed between Horncliffe, Northumberland, England and Fishwick, Berwickshire, Scotland. In so doing it also spans the border between England and Scotland. When it opened in 1820 it was the longest wrought iron suspension bridge in the world with a span of , and the first vehicular bridge of its type in the United Kingdom. Although work started on the Menai Suspension Bridge first, the Union Bridge was completed earlier. Today it is the oldest suspension