This 2.2km cable-stayed bridge eliminated a ferry crossing and is the longest bridge across the Mekong River in Cambodia,[4] 300 metres longer than its nearest rival, the Koh Kong Bridge. The project includes the main cable-stayed section totalling 640m, two composite girder approach sections of 900m and 675m, and approach embankments totalling 3.1km.[5]
The inauguration ceremony to begin construction occurred on February 12, 2011.[2] The bridge opened to traffic in April 2015. It was funded and built by a Japanese government donation (Cambodia's third Japanese donated bridge) and its image appears on the new 500 riel note.[6] The bridge is part of a larger programme of works to improve connectivity along Asian Highway 1 from Thailand to Vietnam.[5]