Fourth Thai–Lao Friendship Bridge | |
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Coordinates | 20°17′N 100°25′E / 20.28°N 100.42°ECoordinates: 20°17′N 100°25′E / 20.28°N 100.42°E |
Carries | Motor vehicles |
Crosses | Mekong River, Thai-Lao Border |
Locale |
Wiang Chiang Khong, Chiang Rai Province Ban Houayxay, Bokèo Province |
Characteristics | |
Design | box girder bridge |
Total length | 480 metres (1,570 ft) |
Width | 14.7 m |
History | |
Constructed by | CR5-KT Group of China and Krung Thon Engineering of Thailand |
Opened | December 11, 2013 |
The Fourth Thai–Lao Friendship Bridge (Thai: สะพานมิตรภาพ ไทย-ลาว แห่งที่ 4, [sàpʰaːn míttràpʰâːp tʰaj laːw hɛ̀ŋ tʰîː sìː]; Lao: ຂົວມິດຕະພາບ ລາວ-ໄທ, [kʰǔə mittapʰâːp láːw tʰaj]) is a highway bridge over the Mekong River that links the Chiang Khong District of Thailand and Ban Houayxay in Laos. The bridge opened to the public on 11 December 2013. The bridge was the last section of Asian Highway 3 to be built.
The bridge is 630 meters long (with a main span of 480 meters) and is 14.7 meters wide. It is about 10 kilometers from Amphoe Chiang Khong (Chiang Khong District), in the northeastern part of Chiang Rai Province, in northern Thailand, and about 12 kilometers from Ban Houayxay, the capital of Bokeo Province, in northwestern Laos.
North of the bridge, a six kilometer service road connects the bridge to Laotian highway R3A. In the south, a three kilometer service road connects the bridge to the Chiang Khong-Thoen Highway and Route 1129 in Thailand.
The bridge was jointly financed by the governments of Thailand, Laos, and China, along with the Asia Development Bank, to boost trade and development of the Greater Mekong Subregion. About 1,900 million baht was budgeted for the project.