Open-Yuan Nan Bridge is a three-arch stone arched bridge located in Open County, Yunnan Province. It spans across the Lancang River above. The construction of the bridge began in 1654 and took over 100 years to complete, with multiple reconstructions and restorations during that time. When finished, it stood at 61 meters long, 6.95 meters wide, and 6.1 meters high.

The Nan Bridge is an important gateway for Open City’s connection to other cities and a landmark building in the area. In 1983, it was officially listed as one of Open County’s cultural relic preservation units. Today, it has become one of Open City’s key cultural heritages and tourist attractions, attracting many tourists who come to admire its beauty.
The Kaoyuan Nanqiao Bridge, located in Kaiyuan City, Yunnan Province, China, spans three arches over the Lancang River. It was initially built in 1654 and has a total length of 61 meters, with a width of 6.95 meters and height of 6.1 meters. The construction of South Bridge took many years to complete, from 1645 onwards until 1793 when it was finally finished after several reconstructions and repairs during that time.

The bridge is an important passageway connecting Kaiyuan City with the outside world and a landmark building in the region. In 1983, Nanqiao Bridge was recognized as a protected cultural relic by Kaiyuan City. Today, it has become a vital cultural heritage site and tourist destination, attracting numerous visitors to admire its grandeur.