There are five bridges named Thai–Lao Friendship Bridge, and a sixth being under construction First Thai–Lao Friendship Bridge (opened in 1994), between Nong Khai and Vientiane Second Thai–Lao Friendship Bridge (opened in 2007), between Mukdahan and Savannakhet Third Thai–Lao Friendship Bridge (opened in 2011), between Nakhon Phanom Province and Thakhek, Khammouane Province Fourth Thai–Lao Friendship Bridge (opened in 2013), between Chiang Khong District, Chiang Rai Province and Houayxay District, Bokeo Province Fifth Thai–Lao Friendship Bridge (opened in 2025), between Bueng Kan Province and Pakxan town, Bolikhamxai Province (under construction), between Na Tan District, Ubon Ratchathani Province and Lakhonepheng District, Salavan Province