Have you ever interested where is the longest bridge in Africa located? In this article, you will learn about the biggest African bridges, which have a great value for the country. These magnificent constructions always attract tourists and make driving in Africa more convenient.
The longest bridge in Africa
The longest bridge in east Africa
The international company COWI signed the contract with Middle East Development corporation and now the bridge which is rising over Bab el Mandeb Strait connecting the Red and Arabian seas is constructed. A set of the American, French, and Yemen companies invested in the new project – the prime minister Dileita Mohamed says. The large-scale project cost 20 billion dollars.
According to AFP, in the years of a construction, about 100 thousand workplaces were created. At the same time during construction of an enormous design, it was necessary to conduct researches of aerodynamics, possible consequences of the collision with bridge footings of ocean ships and impact of earthquakes.
The surprising construction connects an African state of Djibouti and the Asian state of Yemen and became the most extended suspension bridge in the world.
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The longest bridge in Africa
The passage divides Perim Island into two parts. A narrow part 3.5 kilometers wide has the maximum depth of only 20 meters, and wider of 20 kilometers long is about 300 meters. Taking into account that concrete poles tower over a surface of a water smooth surface on the height of 400 meters, the biggest of them reach 700 meters.
On the center of a body of a bridge, there are the six-band freeway and the four-band railroad.
The main problems, which architects considered and overcome, are the increased seismic activity in this area and availability of a large number of various ships which pass through the Suez Canal.
By the way, the plan of creation of the bridge includes also new cities, which will be stretched on both of its ends. It is known that one of them will be called Medinet an-Noor. Six hundred square kilometers will become a point of intersection of tourist, commercial, and trade ways.
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The longest bridge in Africa
The longest bridge in south Africa
The longest bridge in Africa, which is located on the South, is Bloukrans Bridge. This is the arch single-span concrete automobile bridge in the Republic of South Africa. Total length of the bridge is 451 meters, length of the unique span is 272 meters, the maximum height from a roadbed to a water surface — 216 meters that makes Blukrans Bridge the 36th in the list of the highest bridges in the world and the 66th in the list of arch bridges with the longest spans. The width of the bridge is 16 meters. It is supported by 23 couples of columns.
The longest bridge in Africa
The construction of the bridge proceeded from February 1980 to June 1983. The opening took place on June 1983, five months before the planned term. The construction cost was 11 million dollars. At the time of the termination of a construction, it was the biggest concrete arch bridge in Africa and the fourth on this sign in the world. The mass of the main arch constituted about 12 thousand tons. The bridge is a part of N2 Road.
On the bridge, there is a point of commercial bungee jumping Bloukrans Bridge Bungy, the highest in the world among similar ones: the person is in the hop for about 160 meters. The first jump from the bridge in Africa was made from this one.
The longest bridge in Africa
The longest bridge in Nigeria
Third Mainland bridge is a significant sight of Nigeria. It was laid through the Gulf of Guinea in 1990. Its length makes about 12 kilometers. This is the longest bridge in Africa connecting Lagos to the continent.
The third Mainland bridge is a difficult metal construction with elegant design. Bilateral car traffic is made of six strips. Speed limitation on the bridge makes 24 kilometers per hour. On air platforms, there are cameras keeping the record of traffic.
With the Third Mainland bridge exploitation start, the load of the existing two bridges, which ceased to cope with sharply increased traffic, considerably decreased. The bridge has important economic value for Lagos. Locals and tourists admire its magnificent design, especially at night when all its body lights up with a set of fires.
The longest bridge in Africa
Conclusion
As you can see, different parts of Africa are rich with the magnificent designs. Architects from the whole world participated in their creation, trying to make them the most beautiful and convenient. If you sometimes want to visit one of the parts of Africa, surely look at the bridges there. Such ones are also beautiful with a unique lighting.
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