日前,合肥铁路南环线上的南淝河特大桥成功合龙,这座铁路桥总长461m、高80m。与南环线经开区特大桥一样跨越合宁高速公路。合肥铁路南环线穿越合肥城南,整条线路70%以上都是桥梁工程。其中,在合肥南环线上有8座特大桥,铁路桥跨高速路时,只能在高速路两侧设 A few days ago, the Nanfanghe Grand Bridge on the Hefei-South Ring Road had been successfully bridged, with a total length of 461m and a height of 80m. It is the same as the South Ring Road across the confluence of Ning-Ning Expressway. Hefei South Railway Link through the south of Hefei, the entire line more than 70% of the bridge project. Among them, there are 8 super-large bridges on Hefei’s south ring road, and when the railway bridge spans the expressway, it can only be set on both sides of the expressway