The Wannian Bridge () is a stone arch bridge built over the Xu River in 1647 at the dawn of the Qing dynasty (1644–1911). It is located in Nancheng County, Jiangxi, China. It is adjacent to the Juxing Pagoda.
Construction of the Wannian Bridge, commenced in 1635 and was completed in 1647, which took 12 years. During the Qing dynasty (1644–1911), it underwent three renovations, respectively in the ruling of Yongzheng Emperor (1724) and in the reign of Qianlong Emperor and in 1887 in the 13th year of Guangxu era.
In March 2013, it was listed among the seventh batch of "Major National Historical and Cultural Sites in Jiangxi" by the State Council of China.
The bridge is in length, in height, in width and in span. It has 23 holes and 24 piers.