1915 Çanakkale Bridge
Suspension bridge across the Dardanelles in Turkey From Wikipedia, the free encyclopedia
The 1915 Çanakkale Bridge (Turkish: 1915 Çanakkale Köprüsü) 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 10 km (6.2 mi) south of the Sea of Marmara.[2] The bridge is the longest suspension bridge in the world—with a main span of 2,023 m (2.023 km; 1.257 mi), the bridge surpasses the Akashi Kaikyo Bridge (1998) in Japan by 32 m (105 ft).[4][5][6]
1915 Çanakkale Bridge Dardanelles Bridge 1915 Çanakkale Köprüsü Çanakkale Boğaz Köprüsü | |
|---|---|
 Çanakkale bridge in October 2024 | |
| Coordinates | 40°20′24″N 26°38′10″E |
| Carries | 6 lanes of  O-6Maintenance walkways on each side |
| Crosses | Dardanelles |
| Locale | Çanakkale Province, Turkey |
| Official name | 1915 Çanakkale Köprüsü |
| Website | 1915canakkale |
| Characteristics | |
| Design | Suspension |
| Total length | 4,608 m (15,118 ft) |
| Width | 45.06 m (148 ft) |
| Height | 334 m (1,096 ft) |
| Longest span | 2,023 m (6,637 ft) |
| Clearance below | 70 m (230 ft) |
| History | |
| Designer | COWI A/S and PEC (Pyunghwa Engineering Consultants) |
| Constructed by | Daelim, Limak, SK, Yapı Merkezi[1] |
| Construction start | March 2017[2] |
| Construction end | 26 February 2022 |
| Opened | 18 March 2022 |
| Statistics | |
| Toll | ₺585[3] |
| Location | |
 | |
The bridge was officially opened by President Recep Tayyip Erdoğan on 18 March 2022 after roughly five years of construction.[7] It is the centrepiece of the planned 321-kilometre-long (199 mi) US$2.8 billion O-6 motorway, which will connect the O-3 and O-7 motorways in East Thrace to the O-5 motorway in Anatolia.[8] The year "1915" in the official Turkish name honours an important Ottoman victory in the Gallipoli campaign comprising a naval engagement followed by a land invasion on the Gallipoli peninsula by the forces of Australia, New Zealand (The ANZACS), France and Great Britain from the 25th April 1915 which were largely evacuated by December of that year.
The bridge is the first fixed crossing over the Dardanelles[9] and the sixth one across the Turkish Straits, after three bridges over the Bosphorus and two tunnels under it.[10]
The bridge's tender project was designed by Turkey-based Tekfen Construction and Installation and detailed designed by Denmark-headquartered COWI A/S[11] and by Pyunghwa Engineering Consultants (PEC) in South Korea (for cable design and approach bridge design packages only). UK-headquartered Arup Group and Norway-based Aas-Jakobsen participated in the project as Independent Design Verifiers (IDV). The Administrator consultants are Tekfen[12] and Switzerland-based T-ingénierie.
The total length of the bridge is 3,563 m (11,690 ft) and together with the approach viaducts the length reaches 4,608 m (15,118 ft), which surpasses the total length of the Osman Gazi Bridge and its approach viaducts by 527 m (1,729 ft), to become the longest bridge of any type in Turkey.[13]
The height of the bridge's two towers is 334 m (1,096 ft),[note 1] 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 second tallest bridge in the world, surpassing the Pingtang Bridge in China. The deck of the bridge is 72.8 m (239 ft) high and 45.06 m (147.8 ft) wide, with a maximum thickness of 3.5 m (11 ft). The deck carries six lanes of motorway (three in each direction), together with a walkway on each side for maintenance.[13]
According to President Erdoğan, the bridge cost 2.5 billion euros (2.7 billion US dollars) to build, but would save €415 million ($458 million) per year from a reduction of fuel consumption and carbon emissions.[14]
Proposals for a bridge spanning the Dardanelles Strait[15] 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.[16] In September 2016, the government officially launched the bridge building project.[16] Bids for the contract to construct the bridge were made in 2017.[17]
The contract was awarded[when?] to a consortium containing Turkish companies Limak Holding and Yapı Merkezi and South Korean companies DL Holdings and SK Ecoplant.[18] Construction began in March 2017.[19] The bridge was initially scheduled for completion in September 2023,[18] and later brought forward to March 2022.[19]
On 16 May 2020, the second tower was completed, on the Gallipoli side (European coast).[20] By 13 November 2021, all block decks were installed.[7] The toll bridge opened for traffic on 18 March 2022 with a toll price of 200 lira (€6.78).[14]
Some symbolic figures are associated with the bridge:
- the number 1915 in the name,
- the height of intersection point of main cable (318 m),[21]
- and the opening date (18 March),
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 (2,023 metres) refers to the centennial of the Turkish Republic (1923–2023).[8]
- Under construction
Western tower, March 2020
View from European side to Asian side, March 2020
The bridge near completion- A video from the bridge in March 2022
1915 Çanakkale Bridge Commemorative Coin
Lapseki toll booths of the bridge
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Comparison of notable bridges
- Osman Gazi Bridge
- Istanbul Canal
- Other crossings of the Turkish Straits:
- Bosphorus Bridge
- Eurasia Tunnel, undersea tunnel, crossing the Bosphorus for vehicular traffic, opened in December 2016
- Fatih Sultan Mehmet Bridge
- Great Istanbul Tunnel, a proposed three-level road-rail undersea tunnel
- Marmaray Tunnel, undersea rail tunnel connecting the Asian and European sides of Istanbul
- Yavuz Sultan Selim Bridge
- Xerxes' Pontoon Bridges, an ancient attempted crossing at a similar location (480 BC)
- 318 m is elevation of IP (Intersection Point) of main cable which is important for design, actual tower height considering tower top enclosure is 334 m.
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