The Lupu Bridge (simplified Chinese: 卢浦大桥; traditional Chinese: 盧浦大橋; pinyin: Lúpǔ Dàqiáo) is a through arch bridge over the Huangpu River in Shanghai, China, connecting the city's Luwan and Pudong districts. It is the world's second longest steel arch bridge, after the Chaotianmen Bridge in Chongqing. The bridge has a total length including approach spans of 3,900 m (12,795 ft) and opened on June 28, 2003.