The Third Thai–Lao Friendship Bridge[a] over the Mekong is a bridge that connects Nakhon Phanom Province in Thailand with Thakhek, Khammouane Province in Laos. The bridge's foundation stone was laid on 6 March 2009, and it opened for traffic on 11 November 2011.[1][2] The bridge is 1,423 metres long and 13 metres wide.[3]