1915 Çanakkale Bridge


The 1915 Çanakkale Bridge is a road suspension bridge in the province of Çanakkale in northwestern Turkey. Situated just south of the coastal towns of Lapseki and Gelibolu, the bridge spans the Dardanelles, about south of the Sea of Marmara. The bridge is the longest suspension bridge in the world; with a main span of, the bridge surpasses the Akashi Kaikyo Bridge in Japan by.
The bridge was officially opened by President Recep Tayyip Erdoğan on 18 March 2022 after roughly five years of construction. It is the centrepiece of the planned O-6 motorway, which will connect the O-3 and O-7 motorways in East Thrace with the O-5 motorway in Anatolia. The year "1915" in the official Turkish name honours an important Ottoman victory in the Gallipoli campaign comprising an unsuccessful Entente Naval operations in the [Dardanelles campaign|naval attack] followed by invasions of the Gallipoli peninsula by the forces of Australia, New Zealand, France, and Great Britain, on 25 April 1915 and a second in August; the Entente land forces failed to make significant progress and were evacuated at the end of that year.
The bridge is the first fixed crossing over the Dardanelles and the sixth one across the Turkish Straits, after three bridges over the Bosphorus and two tunnels under it.
WWW Official Site

Design and cost

The bridge's tender project was designed by Turkey-based Tekfen Construction and Installation and detailed designed by Denmark-headquartered COWI A/S and by Pyunghwa Engineering Consultants in South Korea. UK-headquartered Arup Group and Norway-based Aas-Jakobsen conducted independent design verification. The Administrator consultants are Tekfen and Switzerland-based T-ingénierie.
The total length of the bridge is and together with the approach viaducts the length reaches, which surpasses the total length of the Osman Gazi Bridge and its approach viaducts by, to become the longest bridge of any type in Turkey.
The height of the bridge's two towers is, making it the tallest bridge in Turkey, surpassing Yavuz Sultan Selim Bridge, and the third tallest structure in the country. Internationally, the bridge is the fifth tallest bridge in the world. The deck of the bridge is high and wide, with a maximum thickness of. The deck carries six lanes of motorway, together with a walkway on each side for maintenance.
According to President Erdoğan, the bridge cost 2.5 billion euros to build, but would save €415 million per year from a reduction of fuel consumption and carbon emissions.

History

Proposals for a bridge spanning the Dardanelles Strait have existed since the 1990s. A bridge was proposed again in 2012 and went on to be placed in the Turkish government's future transportation projects list in 2014. In September 2016, the government officially launched the bridge building project. Bids for the contract to construct the bridge were made in 2017.
The contract was awarded to a consortium containing Turkish companies Limak Holding and Yapı Merkezi and South Korean companies DL Holdings and SK Ecoplant. Construction began in March 2017. The bridge was initially scheduled for completion in September 2023, and later brought forward to March 2022.
On 16 May 2020, the second tower was completed, on the Gallipoli side. By 13 November 2021, all block decks were installed. The toll bridge opened for traffic on 18 March 2022 with a toll price of 200 lira.

Symbolism

Some symbolic figures are associated with the bridge:
  • the number 1915 in the name,
  • the height of intersection point of main cable,
  • and the opening date,
are all related to the date of the Ottoman naval victory, on 18 March 1915, during the naval operations in the Gallipoli campaign.
Meanwhile, the length of the bridge's main span refers to the centennial of the Turkish Republic.