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Izmit Bay Crossing Suspension Bridge

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About the project

Project category

Infrastructure

Company / Project parties

Çimtaş Steel

Location

Turkey

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Izmit Bay Crossing Suspension Bridge

Izmit Bay Crossing Suspension Bridge is the world’s fourth longest suspension bridge with a central span length of 1550m, located at the Gulf of İzmit, along the eastern side of Marmara Sea, Turkey.  The bridge has a total length of 2682m with its 566m side spans on both sides.  The towers are made of 18,000 tons of steel and have a total height of 252m. The girders provide three lanes of traffic on each direction and have a total weight of 34,000 tons.

The main contractor of the bridge is IHI Infrastructure Systems & ITOCHU  Consortium. The design and the structural engineering have been made by COWI. The girders and the towers are fabricated and ground/trial assembled by Çimtaş Steel - Gemlik and Çimtaş Shipyard - Gölcük.

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