12月19日，汽车在南京长江四桥上行驶。据悉，南京长江第四大桥将于12月24日正式通车。南京长江四桥总投资68.6亿元，全长近29公里，其中跨江大桥长约5.5公里，主跨采用1418米三跨吊悬索桥方案，全线按双向六车道高速公路标准设计，跨江大桥设计时速为100公里，两岸接线设计时速为120公里。与已建成通车的南京长江二桥、三桥不同，长江四桥是国内跨境最大的双塔三跨悬索桥，外观类似美国旧金山的金门大桥，但主跨达到1418米，比金门大桥还要长130多米，在同类桥型中居世界第三。新华社发（周海军 摄） December 19,,Car in the nanjing Yangtze river bridge four driving.It is reported,The fourth nanjing Yangtze river bridge will be held on December 24, officially opened to traffic.Nanjing Yangtze river bridge four with a total investment of 6.86 billion yuan,The nearly 29 km,The bridge across the river in 5.5 kilometers long,The main span of 1418 m three span suspension bridge crane scheme,According to the two-way all six lane highway standard design,Bridge across the river in design speed of 100 km,The wiring design speed of 120 km.Has been completed and opened the second nanjing Yangtze river bridge/Three different bridge,Four of the Yangtze river bridge is the largest domestic cross-border towers three span suspension bridge,Like the appearance of the golden gate bridge in San Francisco,But the main span 1418 meters,Even than the golden gate bridge is more than 130 meters long,In the similar bridge in the world.The xinhua news agency hair(ZhouHaiJun perturbation)

    这是12月19日拍摄的南京长江四桥。新华社发（周海军 摄） This is December 19, nanjing Yangtze river bridge taken four.The xinhua news agency hair(ZhouHaiJun perturbation)

    12月19日，汽车在南京长江四桥上行驶。新华社发（周海军 摄） December 19,,Car in the nanjing Yangtze river bridge four driving.The xinhua news agency hair(ZhouHaiJun perturbation)

    12月19日，汽车在南京长江四桥上行驶。新华社发（周海军 摄） December 19,,Car in the nanjing Yangtze river bridge four driving.The xinhua news agency hair(ZhouHaiJun perturbation)