Introduction to Bei'an Bridge: Bei'an Bridge was built in 1939. It was originally named Xinqiao and Nippon Bridge. It was renamed Shengli Bridge in 1945 and its current name in 1973. In 2004, the Bei'an Bridge was renovated and raised by 1.2 meters, and a new bridge with a width of 9 meters was built on both sides, of which 6 meters are used for non-motorized vehicles and 3 meters are used as sidewalks; the old bridge is dedicated to motor vehicles.