Yanshui River Crossing Bridge is located at the northern section of Provincial Highway No.17 A Line, which spans Yanshui River . The bridge has a width of 30 meters and a total length of about 210 meters.The north side is connected to Haidian Road ,which can provide rapid access to National Highway No. 8. The south side is connected to Wenxian Road and it can quickly access to provincial highway no. 86. It is not only an important connecting bridge for local residents to enter and leave Tainan City, but also connects North-South traffic to Tainan City.