Ingenuity That Floats

Shafts for Izmit Bay Bridge

Gemak Group has built four steel shafts each abt. 550 tons for Izmit bay Bridge connecting Istanbul with south of Turkey.
Shaft are placed on the seabed to support the bridge towers.

Total length 2,682 m (8,799 ft)
Width 35.93 m (117.9 ft)
Height 252.0 m (826.8 ft) (pylons)
Longest span 1,550 m (5,090 ft)
Vertical clearance 64.3 m (211 ft) x 1,000 m (3,300 ft)
Constructed by IHI Corporation
Construction begin 2013
Construction end 2016
Daily traffic approx. 115,000 vehicles