It was unveiled on April 6, 1932 by then-King Rama VII, to commemorate the 150th anniversary of the founding of the Chakri dynasty - the opening of Bangkok - the bridge is commonly known by Bangkok locals as Saphan Phut, and at midnight there will be a lively night market and a midnight flower on the east side of the bridge. city. From this bridge to Thonburi in southwest Bangkok, you can rent a bicycle to pass the bridge, the scenery is very good.