The Bosphorus Bridge, known officially as the 15 July Martyrs Bridge and unofficially as the First Bridge, is one of the three suspension bridges spanning the Bosphorus strait in Istanbul, Turkey, thus connecting Europe and Asia. The bridge extends between Ortaköy and Beylerbeyi. Wikipedia Total length: 1,560 m Opened: October 30, 1973 Architects: Gilbert Roberts, William Brown Location: İstanbul, Europe, Asia Height: 165 m Construction started: February 20, 1970 Clearance below: 64 m