导读:南京长江大桥将于10月28日22时起封闭维修，历时27个月。
The Nanjing Yangtze River Bridge, the first ever China-designed bridge on the Yangtze, will be closed for a major overhaul.
长江上第一座中国自行设计的桥梁南京长江大桥，将关闭进行大修。
The maintenance project for the bridge in Nanjing, capital of east China’s Jiangsu Province, will begin on October 28 and last for 27 months, at cost of about 1.09 billion yuan (161 million U.S. dollars), said the Nanjing municipal government on Friday.
南京市政府于周五表示，中国东部江苏省省会南京市的桥梁维修工程将于10月28日开始，历时27个月，成本约为10.9亿元（1.61亿美元）。
Built in 1968, the Nanjing Yangtze River Bridge has a double layer structure. The upper layer is used for highway traffic and is 4,589 meters long and 15 meters wide, while the lower layer is used for rail traffic and is 6,772 meters long and 14 meters wide.
南京长江大桥建于1968年，拥有双层结构。上层用于公路交通，长4589米，宽15米，下层用于铁路交通，长6772米，宽14米。
The bridge is one of the longest in China and a landmark structure in Nanjing. It was hailed as an engineering miracle upon its completion.
这座桥是中国最长的桥梁之一，也是南京的标志性建筑。它完工后被誉为工程奇迹。
However, the traffic flow on the bridge is greater than the designed capacity of the bridge, and it needs to be upgraded accordingly. Since 2002, the bridge has undergone 12 small to moderate repairs, but problems with the highway section have not been thoroughly solved.
然而，桥上的交通流量超过桥的设计容量，需要相应地进行升级。自2002年以来，该桥已经经历了12次小到中等的修复，但公路部分的问题没有彻底解决。
The restoration work will strengthen the structural safety of the bridge and ensure it lasts longer, while keeping its original appearance, the government said.
政府说，修复工作将加强桥的结构安全，并确保它能使用更长的时间，同时保持其原貌。
While the bridge is closed, vehicles can use the second Nanjing Yangtze bridge, completed in 2001, or use the tunnels that also cross the river.
桥关闭时，车辆可以使用2001年完工的第二个南京长江大桥过江，或使用隧道也可以过江。
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