Construction of Bridges and Viaducts
Our company makes turnkey bridges and viaducts including production, transportation and installation of girders. With more than 25 years of experience, Ilgaz İnşaat continues to complete projects nationally and internationally.
Selected projects;
- Mersin Mezitli Babil Bridge,
- Ilıca(8 Bridges), Pozantı-Tarsus Highway Kocakapız Bridges,
- Kuzey Marmara Highway (Third Bosphorus Bridge), Viaducts between Odayeri-Paşaköy,
- Ankara-İstanbul High Speed Train Project V4 Viaduct (Longest Railway Viaduct in Türkiye, 2400 mt.)
- Contractor Tekfen-Tubin-Özdemir, Ankara-Pozantı highway Çiftehan-Pozantı region Çakıt1 ve Çakıt2 viaduct construction, beam production, transportation and installation
- TEM Edirne - Karaağaç connection viaduct (2185mt)
Please visit the Projects section of our website to view more projects.

Beam Mounting Works with Launching Girder
There are 3 launching girders in our company. In Turkey, many bridges and viaducts in the beam assembly work completed by our company.
Some completed projects with launching girder;
- Elazığ - Mazgirt road viaducts
- Kayseri Felahiye Yamula Dam
- Trabzon city crossing Zagnos Tabakhane bridges
- Installation of 252 prestressed beams for Gedelözü viaduct built by the NCKY Adi Ortaklığı in Niğde
- Installation of beams for Artvin / Borçka Dam and HEPP construction
- Installation of omega profile beams for Gaziantep / Nizip Highway,
- Installation of steel beams for Botan bridge in Siirt Province
- Installation of Pozantı-Ankara Highway viaduct beams within the scope of TTO Joint Initiative
- Installation of viaduct beams of Ankara-Kırıkkale Road Elmadağ Ramps
- Production and installation of viaduct beams within the scope of FEKE II HEPP Project located in Feke District Adana
- Installation of steel beams for ILISU Dam Downstream Bridge
- Loading, unloading and transporting of 160 tons of bridge and viaduct beams within the scope of Albanian Highway Project for Enka-Bechtel
