The widest bridge in the world is "the Sydney harbour bridge in Sydney (Australia). Its width is about 50 m and a length of 500 m. It contains 8 car lanes, two train paths, pedestrian area and even a bike path.
Sydney harbour bridge
The world's longest bridge - the bridge-dam thrown across the lake Pontchartrain (Louisiana, USA). Its length is 38 422 m (more than 38 km). It is one of the oldest bridges in the United States.
The bridge across the lake Pontchartrain
Both bridge-twin supports more than 9500 hollow cylindrical pillars made of concrete, each 1.4 m in diameter. The distance between the supports small: - "senior" bridge, built in 1956, it is more than 17.1 m, "Junior" to 25.5 m Length of largest span of 55 m Width of both overpasses is 8.6 m the construction of the first bridge at a cost of 51 million dollars, the second - in 33 million.
The longest suspension bridge Akash, Kikyo connecting Awaji island and Honshu. The height of the largest span of the bridge is 297 meters. Its length - 1991 meter. For a long time it was considered the highest.
Bridge Akasha, Kikyo
And the high today the bridge is located in France is the Millau viaduct (Le Viaduc de Millau). The height of one of the pillars of the bridge is 341 m. Its length is "just" km 2,46 the Millau Viaduct crosses the Tarn valley at an altitude of about 270 m above the ground. The roadway width of 32 m is a four-lane (two lanes in each direction) and has two backing strips. The viaduct is based on seven pillars. Each bearing is in four wells depth of 15 m and a diameter of 5 m Radius of curvature 20 km allows the machine to move in a more accurate trajectory than if it was a straight line.
Looking at the strange building, thrown on hilly, but quite suitable for road construction areas, many wonder: is it really impossible to put the track on the ground? Actually viaduct allows not only save you time, but also to remain calm in a quiet town located in the valley.
The Millau Viaduct
The highest bridge in the world is located in the Ladakh valley (Ladakh) between the rivers DRAC (Dras) and Sura (Suru) in the Himalayan mountains. The valley is at a height of approximately 5602 m above sea level in Kashmir, India. This bridge called Bailey (Baily), and was constructed by the Indian army in August 1982.
The highest bridge over the river is the Royal bridge over the gorge on the Arkansas river in Colorado, USA. It was built in 1929 for 350 000$. The bridge is located at a height of 321 meters above the water.
The bridge in Colorado
The largest natural bridge in the world is a Rainbow Bridge. The bridge is among the canyons at the base of Navajo Mountain, Utah, USA. From the base to the top of the arch bridge 88,4 m is almost the height of the Statue of Liberty. The length of the bridge is 83.8 m
The Rainbow Bridge
In the city of Dubai is being built is the highest bridge in the world. Its construction is scheduled for completion in 2012. The height in this case is not the location of the railroad bed above the ground, as in the case of Le Viaduc de Millau, and the dimensions of the arch, carrying guys. Them above the sea surface will hang 12-lane, is able to pass over 2 thousand cars per hour in each direction. In the middle of the bridge will be held still and the metro line. The length of this bridge will be 1.6 km, and the height of the bridge will be 205,1 meters.
The bridge in Dubai