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The Bosphorus Bridge, Istanbul, Turkey

July 14th, 2006 / / Links: Google Earth, Google Maps, Yahoo! Maps, Virtual Earth / Nearest places

The Bosphorus Bridge also called the First Bosphorus Bridge (Turkish: Boğaziçi Köprüsü or 1. Boğaziçi Köprüsü) is a bridge in Istanbul, Turkey spanning the Bosphorus strait (Turkish: Boğaziçi). The bridge is located between Ortaköy (European side) and Beylerbeyi (Asian side). It is a gravity anchored suspension bridge with steel pylons and inclined hangers. The aerodynamic deck is hanging on zigzag steel cables. It is 1,560 m long with a deck width of 39 m. The distance between the towers (main span) is 1,074 m (World rank 2004: 12th) and their height over road level is 105 m. The clearance of the bridge from the sea level is 64 m.

The decision to build a bridge across the Bosphorus was taken in 1957 by Prime Minister Adnan Menderes. For the structural engineering work, a contract was signed with the British firm Freeman Fox & Partners in 1968. The designer was the Englishman Gilbert Roberts. The construction started in February 1970, the ceremonies were attended by President Cevdet Sunay and Prime Minister Süleyman Demirel. The construction was carried out by the Turkish firm Enka Construction & Industry Co. along with the co-contractors Cleveland Bridge & Engineering Co. Ltd. (England) and Hochtief AG (Germany). 35 engineers and 400 men worked on the project. It was completed on October 30, 1973, one day after the 50th anniversary of the founding of the Republic of Turkey, and opened by President Fahri Korutürk and Prime Minister Naim Talu. Ernest Frederick, a civil engineer working for the US government and stationed in Turkey at the time, was the first American to cross the bridge. American comedian and Ambassador for UNICEF Danny Kaye, dressed like a clown, followed him with a pack of Turkish children. As a huge crowd of people started to run after them, the bridge came in vibration, and the crowd had to be held back to avoid any damage. The cost of the bridge amounted to USD 200 million.

(Source: Wikipedia)

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