How long is Huanggang Nanmen Bridge in Raoping County, Chaozhou City?

178m. Nanmen Bridge is located at the south gate of Huanggang Town, at the provincial highway pit sea line 1 16K+906. Bridge length 178m, deck width 12.8m, carriageway 8.4m, and sidewalks 2.2m wide on both sides. There are 23 holes in the whole bridge, including 2 1 hole, with a span of 6 meters; 2 holes with a span of 8 meters; The total span is133.4m. The middle elevation of the bridge deck is 10.36m, the elevation of the bridge end is 7.93m, and the design load is -20. The bridge was built in 1960 and 65438+ 10. Due to the long construction time and narrow foundation, the bridge was reinforced and widened on 1996,165438+1October 9.