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
Broughton Suspension Bridge ordered to break step on bridgesnevertheless, marching was cited as a contributing factor to the collapse of the Angers Bridge in France during a storm in 1850, killing over 200 soldiers. Broughton Suspension Bridge was rebuilt and strengthened, but, according to the "Imperial Gazetteer of England and Wales (1870–72)", it was propped with temporary piles whenever a large crowd was expected. The suspension bridge was eventually replaced by a Pratt truss footbridge, designed by the Borough Engineer at a cost of about £2,300, which was formally opened on 2 April 1924. Broughton Suspension Bridge Broughton Suspension Bridge was an iron