This walkway bridge was built in 1911. The Queen Mother of King Rama VI granted the construction cost to commemorate her fourth cycle (48 year-old) birthday which fell on the Year of the Pig. Two years of the Pi Kun Bridge exist, the Pig Memorial was created in 1913 as a birthday present to Queen Mother Sri Pacharindra’s 50 The birthday anniversary. The memorial was built from donation of the Queen’s friends.