Izmit Bay Bridge

Izmit Bay Bridge - South view

The bridge is located at the eastern end of the Sea of Marmara, close to İzmit and approximately 50km from Istanbul, Turkey. It is the fourth longest suspension bridge in the world by length of the 1550 meters main span. Crossing the Bay of İzmit, the bridge, named the Osman Gazi Bridge, and the connecting highway will provide 3 lanes of traffic in either direction. The total length of the bridge is almost 3 kilometers and it cuts a 70 minute drive around the Izmit Gulf to just six minutes, contributing to reducing travel time from Istanbul to İzmir to six hours.

The design ensures that the bridge is a work of high aesthetic integrity and a striking feature within the local landscape and seascape. Its constituent components harmonize well with one another in terms of their geometric configuration, colour, and finish.

The bridge girder, with its delicate and aerodynamically refined deck edge, will be perceived as an elegant ribbon of motorway suspended above the water. The delta-shaped piers mark the deck transition from the main span to the approach spans, from water to land.

The transition piers and anchor blocks relate well aesthetically to one another and to the bridge as a whole, and serve to reinforce the aesthetic lightness and elegance of the span.

Motorists crossing the bridge can experience beautiful views of the simple, yet characteristic towers, and their views toward the surrounding hills and landscape are not impeded or blocked by the very transparent windscreen structure. Construction was completed in 2016.

I have worked as part of the team on the initial phase of the project, mainly developing the 2D drawings and the 3D models concerning the pylons.

Developed as part of a small team while working at Dissing+Weitling Architecture in Copenhagen, Denmark.


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