The Lupu Bridge , 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 arch bridge and steel arch bridge, after the Chaotianmen Bridge in Chongqing. The bridge, which cost 2.5 billion yuan (US$302 million), has a total length of 3,900-metre (12,795 ft) and opened on June 28, 2003. Its main span of 550 metres (1,804 ft) over the Huangpu River is 32 metres (105 ft) longer than the previous record holder for the longest arch bridge, the New River Gorge Bridge in Fayetteville, West Virginia.
The Lupu Bridge is a popular tourist attraction along the Huangpu River. The bridge itself is actually also an attraction, as tourists can ascend to the observation deck at the top of the bridge. The attraction is known as Shanghai Climb, and involves riding a high-speed elevator from the base of the bridge, and then climbing 367 steps at high altitude along the arch of the bridge to the top. The attraction entrance is located on Luban Road, at the base of the Puxi side of the bridge. The observation area provides great views of Shanghai and the Expo 2010 site during the Expo.