ÜNYE - PIRAZIZ STATE EXPRESSWAY, BOLAMAN - PERŞEMBE SECTION VIADUCTS AND BRIDGES PRELIMINARY AND FINAL DESIGN

LOCATION
Ordu, Turkey

CLIENT
General Directorate of Highways

CONTRACTOR
Tekfen Construction and Installation Co., Inc. - Nurol - Yüksel J.V.

COMMENCEMENT
October 1998

COMPLETION
February 2000

Tekfen, as a member of a J.V. group, has completed Black Sea Coastal Motorway’s Perşembe - Bolaman section, along one of the rough and mountainous regions of Turkey.

The project shortens the previous 42 km road section by 15 km and decreases travel time by one third.

Tekfen Engineering provided detailed engineering of 35 viaducts with pre-stressed pre-cast girders and concrete pile caps.

Highlights

  • 27 km, 2x2 lane motorway
  • 44 viaducts with a total length of 8,141 m
  • 2 main interchanges
  • 5 double tube tunnels with a total length of 4,716 m; one being the longest motorway tunnel in Turkey with a length of 3,850 m