Pa Uon Bridge

Pa Uon Bridge is located in Chieng On commune, Quynh Nhai district, across the mighty Da Giang river at Km 250 + 143.59m - Highway 279. The bridge was started construction in May 2007 and traffic in September-2010. The bridge is of permanent size with reinforced concrete and prestressed concrete with a total length of 1,418m, of which the main bridge is 918m long; The path leading to the bridge is 500m long. The width is 9m, the car width is 8m. The bridge consists of 2 piers and 11 piers, of which the main bridge is 98.6m high. The global height from the bottom of the river to the height of the sphere is 103.8m. Due to the location of the bridge located in the earthquake zone of 8-9, the structure of the pillar of Pa Uon Bridge was calculated carefully with strong earthquake level 9. This bridge is staffed by cadres, technicians and workers. of the bridge and road industry of Vietnam self-design and construction. Pa Uun Bridge was completed and put into use as a gift of love for the people of North West - people living on the banks of the Da River sacrificed their houses and gardens for Son La hydropower.

At the same time, it is very important in the arterial traffic linking Son La to the North West provinces such as Lai Chau, Dien Bien and Lao Cai. Son La electricity has been put into operation, serving the strategy of socio-economic development and national security in the area.