List of bridges in Laos

Major bridges

This table presents a non-exhaustive list of the road and railway bridges with spans greater than 100 metres (328 ft) or total lengths longer than 1,000 metres (3,281 ft).

Name Lao Span Length Type Carries
Crosses		 Opened Location Province Ref.
1Third Thai–Lao Friendship Bridgeຂົວມິດຕະພາບ ລາວ-ໄທ ແຫ່ງທຳອິດ 3180 m (590 ft) (x3)1,423 m (4,669 ft)Box girder
Prestressed concrete
120+3x180+120

Asian Highway 15
Mekong
2011Thakhek–Nakhon Phanom
17°29′07.9″N 104°43′52.6″E		Khammouane
 Thailand		[S 1]
[1]
2Fifth Thai–Lao Friendship Bridge
under construction		ຂົວມິດຕະພາບ ລາວ-ໄທ ແຫ່ງທຳອິດ 5150 m (490 ft) (x3)1,350 m (4,430 ft)Extradosed
Concrete box girder deck, 4 concrete pylons

Mekong
2024Pakxan–Bueng Kan
18°24′23.9″N 103°34′07.0″E		Bolikhamsai
 Thailand		[2]
3Ban Ladhan Railway Bridge144 m (472 ft)1,652 m (5,420 ft)Box girder
Prestressed concrete
80+144+80
Vientiane–Boten railway
Mekong
2021Lat Han
20°05′15.4″N 102°07′32.1″E		Oudomxay
Luang Prabang		[3]
4Pakse Bridgeຂົວ ປາກເຊ143 m (469 ft)1,380 m (4,530 ft)Extradosed
Concrete box girder deck, concrete pylons
102x9+123+143+91

National Road 16
Mekong
2000Pakse–Phonthong District
15°06′03.0″N 105°48′43.9″E		Champasak[S 2]
[4]
[5]
[6]
5Second Myanmar–Lao Friendship Bridgeຂົວມິດຕະພາບ ລາວ-ມຽນມາ120 m (390 ft) (x3)691 m (2,267 ft)Truss
Steel

Mekong
2015Xieng Kok–Kenglat
20°52′15.0″N 100°32′31.1″E		Luang Namtha
 Myanmar		[7]
[8]
6Pakbeng Bridgeຂົວ ປາກແບ່ງ120 m (390 ft)379 m (1,243 ft)Box girder
Prestressed concrete
66+120+66

National Road 2W
Mekong
2015Pakbeng
19°50′37.0″N 101°03′57.4″E		Oudomxay
Sainyabuli		[9]
[10]
7Second Thai–Lao Friendship Bridgeຂົວມິດຕະພາບ ລາວ-ໄທ ແຫ່ງທີສອງ110 m (360 ft) (x4)2,050 m (6,730 ft)Box girder
Concrete box girder deck, concrete pylons
2x110+5x80+2x110

Mekong
2006Savannakhet–Mukdahan
16°36′01.1″N 104°44′33.0″E		Savannakhet
 Thailand		[S 3]
[11]
[12]
8Fourth Thai–Lao Friendship Bridgeຂົວມິດຕະພາບ ລາວ-ໄທ ແຫ່ງທຳອິດ 4110 m (360 ft) (x3)630 m (2,070 ft)Box girder
Prestressed concrete
75+110x3+75

Asian Highway 3
Mekong
2013Houayxay–Chiang Khong District
20°12′50.1″N 100°27′14.1″E		Bokeo
 Thailand		[S 4]
[13]
[14]
9Sekong Bridge (Laos)110 m (360 ft)300 m (980 ft)Extradosed
Concrete box girder deck, concrete pylons
80+110+65
National Road 16B
Kong River
2018Sekong
15°20′27.4″N 106°43′57.5″E		Sekong[15]
[16]
[17]
10First Thai–Lao Friendship Bridgeຂົວມິດຕະພາບ ລາວ-ໄທ ແຫ່ງທຳອິດ105 m (344 ft) (x5)1,174 m (3,852 ft)Box girder
Prestressed concrete
70+105x5+70

Asian Highway 12
Mekong
1994Vientiane–Nong Khai
17°52′48.8″N 102°42′54.2″E		Vientiane Prefecture
 Thailand		[S 5]
[18]
[19]
11Luang Prabang Railway Bridge104 m (341 ft) (x4)1,459 m (4,787 ft)Box girder
Prestressed concrete
60+104x4+60
Vientiane–Boten railway
Mekong
2021Luang Prabang
19°56′01.0″N 102°12′21.6″E		Luang Prabang[20]
12Sixth Thai–Lao Friendship Bridge
project		ຂົວມິດຕະພາບ ລາວ-ໄທ ແຫ່ງທຳອິດ 61,020 m (3,350 ft)Arch
Steel tied-arch

Mekong
2026Lakhonepheng District–Na Tan District
15°55′17.7″N 105°20′36.6″E		Salavan
 Thailand		[21]
13Pakkhone-Thadeua Bridgeຂົວນ້ຳຂອງ ທ່າເດື່ອ-ປາກຄອນ620 m (2,030 ft)Box girder
Prestressed concrete

National Road 4
Mekong
2013Pang Khom–Tha Deua
19°25′33.7″N 101°50′51.8″E		Sainyabuli
Luang Prabang		[22]
14Paklay Bridgeຂົວນ້ຳຂອງ ນາສັກ-ໂຄກເຂົ້າດໍ365 m (1,198 ft)Truss
Steel

Mekong
2017Pak Lay
18°10′33.3″N 101°23′35.4″E		Sainyabuli
Vientiane Province		[23]
15Cable Bridge (Dong, Laos)Suspension
Steel pylons
National Road 909
Sepon River
1975Dong
16°37′32.4″N 106°25′07.0″E		Savannakhet[24]

See also

Notes and References
  • Nicolas Janberg. "International Database for Civil and Structural Engineering". Structurae.com.
  1. "Third Thai–Lao Friendship Bridge".
  2. "Pakse Bridge".
  3. "Second Thai–Lao Friendship Bridge".
  4. "Fourth Thai–Lao Friendship Bridge".
  5. "First Thai–Lao Friendship Bridge".
  • Others references
  1. "The Third Freindship Bridge - Thailand" (PDF). Freyssinet.co.th. Retrieved May 7, 2023.
  2. "ครม.รับทราบเปิดจุดผ่านชั่วคราว "บ้านดอนยม" จ.บึงกาฬ เร่งสร้างสะพานมิตรภาพไทย-ลาว แห่งที่ 5" [The Cabinet acknowledged the opening of a temporary pass "Ban Don Yom", Bueng Kan Province, to accelerate the construction of the 5th Thai-Lao Friendship Bridge]. Manager Daily (in Thai). Retrieved May 7, 2023.
  3. "班那汉湄公河特大桥全面进入梁部结构施工阶段" [Bannahan Mekong River Bridge has fully entered the beam structure construction stage]. Cr8gc.com - China Railway No.8 Engineering Group Co., Ltd. (in Chinese). Retrieved May 7, 2023.
  4. Kikuchi, Hiroshi; Nakamura, Tomoki (October 2001). Construction of the Lao-Nippon Bridge and Technology Transfer in Laos (PDF). 56th Annual Conference of the Japan Society of Civil Engineers. Shimizu Corporation. pp. 540–541.
  5. Grogan, Stephen; MaPeterhar, Rémy (January 1999). Science et Industrie S.A. (ed.). "L'ouvrage de Pakse au Laos" [The bridge of Pakse in Laos] (PDF). Revue Travaux (in French). Fédération nationale des travaux publics (FNTP). 749: 66–69. ISSN 0041-1906.
  6. "Completion of the Pakse Bridge - VSL expertise helps open up South-East Asia" (PDF). VSL News Magazine. Vol. 11, no. 1. VSL International. 2000. pp. 8–11.
  7. "ลาว-พม่าเปิดใช้สะพานมิตรภาพข้ามโขงแห่งแรกวันเสาร์ 9 พ.ค.นี้" [Laos-Myanmar opened the first Friendship Bridge across the Mekong on Saturday, May 9.]. Manager.co.th (in Thai). Archived from the original on April 13, 2016.
  8. "Lao-Myanmar Bridge". Ltec.com.la - Lao Transport Engineering Consultant. Retrieved May 7, 2023.
  9. "The Ministry of Transport of Laos Issues the Final Acceptance and Taking-over Certificate of Pakbeng Mekong River Bridge Project". Crbc.com - China Road & Bridge Corporation. Retrieved May 7, 2023.
  10. "Pakbeng Bridge". Ltec.com.la - Lao Transport Engineering Consultant. Retrieved May 7, 2023.
  11. The Detailed Design of the Second Mekong International Bridge Construction Project in the Lao PDR and Thailand (PDF) (Report). Japan International Cooperation Agency (JICA). June 2000. p. 3-1.
  12. "Friendship Bridge II (Mukdahan – Savannakhet)". Aec-th.com - Asian Engineering Consultants Corp., Ltd. Retrieved May 7, 2023.
  13. "Friendship Bridge IV (Chiang Khong – Houayxay)". Aec-th.com - Asian Engineering Consultants Corp., Ltd. Retrieved May 7, 2023.
  14. "Fourth Mekong International Bridge". Ltec.com.la - Lao Transport Engineering Consultant. Retrieved May 7, 2023.
  15. Preparatory Survey Report for the Project for Construction of Sekong Bridge on NR16B (PDF) (Report). Japan International Cooperation Agency (JICA). December 2013. p. 81.
  16. "国道十六B号線セコン橋建設計画" [Project for Construction of Sekong Bridge on NR16B in the Southern Region of Laos]. Jica.go.jp - Japan International Cooperation Agency (in Japanese). Retrieved May 7, 2023.
  17. "Laos-Japan Friendship Bridge Opens in Xekong". Lao News Agency. Retrieved May 7, 2023.
  18. Smith, Peter Selby (June 1994). "Australia builds the Friendship Bridge". Road & Transport Research. Australian Road Research Board Ltd. 3 (2): 5–18. ISSN 1037-5783.
  19. "The First Thai - Laos Friendship Bridge". Thailand.embassy.gov.au - Australian Embassy Thailand. Retrieved May 7, 2023.
  20. "中老铁路琅勃拉邦湄公河特大桥成功合龙" [China-Laos Railway Luang Prabang Mekong Bridge Successfully Closed]. The Paper (in Chinese). Retrieved May 7, 2023.
  21. ""ทางหลวง" ปรับแผนก่อสร้างสะพานไทย-ลาว 6 จ่อของบปี 68" ["Department of Highways" adjusts the construction plan of the Thai-Laos Bridge 6 to the point of 2025]. Daily News (Thailand) (in Thai). Retrieved May 7, 2023.
  22. "Pakkone-Thadeua Bridge". Ltec.com.la - Lao Transport Engineering Consultant. Retrieved May 7, 2023.
  23. "Paklay Bridge". Ltec.com.la - Lao Transport Engineering Consultant. Retrieved May 7, 2023.
  24. "Cable Bridge". Asiaphotos.org. Retrieved May 7, 2023.
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