List of bridges in Laos
# 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. |
| - | - | - | - | - | - | - | - | - | - | - |
| 1 | Third Thai–Lao Friendship Bridge | ຂົວມິດຕະພາບ ລາວ-ໄທ ແຫ່ງທຳອິດ 3 | 180 m (590 ft) (x3) | 1,423 m (4,669 ft) | Box girder Prestressed concrete 120+3x180+120 | Asian Highway 15 Mekong | 2011 | Thakhek–Nakhon Phanom 17°29′07.9″N 104°43′52.6″E﻿ / ﻿17.485528°N 104.731278°E﻿ / 17.485528; 104.731278﻿ (Third Thai–Lao Friendship Bridge) | Khammouane Thailand | [S 1] [1] |
| 2 | Fifth Thai–Lao Friendship Bridge under construction | ຂົວມິດຕະພາບ ລາວ-ໄທ ແຫ່ງທຳອິດ 5 | 150 m (490 ft) (x3) | 1,350 m (4,430 ft) | Extradosed Concrete box girder deck, 4 concrete pylons | Mekong | 2024 | Pakxan–Bueng Kan 18°24′23.9″N 103°34′07.0″E﻿ / ﻿18.406639°N 103.568611°E﻿ / 18.406639; 103.568611﻿ (Fifth Thai–Lao Friendship Bridge) | Bolikhamsai Thailand | |
| 3 | Ban Ladhan Railway Bridge | | 144 m (472 ft) | 1,652 m (5,420 ft) | Box girder Prestressed concrete 80+144+80 | Vientiane–Boten railway Mekong | 2021 | Lat Han 20°05′15.4″N 102°07′32.1″E﻿ / ﻿20.087611°N 102.125583°E﻿ / 20.087611; 102.125583﻿ (Ban Ladhan Railway Bridge) | Oudomxay Luang Prabang | |
| 4 | Pakse Bridge [Wikidata] | ຂົວ ປາກເຊ | 143 m (469 ft) | 1,380 m (4,530 ft) | Extradosed Concrete box girder deck, concrete pylons 102x9+123+143+91 | National Road 16 Mekong | 2000 | Pakse–Phonthong District 15°06′03.0″N 105°48′43.9″E﻿ / ﻿15.100833°N 105.812194°E﻿ / 15.100833; 105.812194﻿ (Pakse Bridge) | Champasak | [S 2] [4] [5] [6] |
| 5 | Second Myanmar–Lao Friendship Bridge [ja] | ຂົວມິດຕະພາບ ລາວ-ມຽນມາ | 120 m (390 ft) (x3) | 691 m (2,267 ft) | Truss Steel | Mekong | 2015 | Xieng Kok–Kenglat 20°52′15.0″N 100°32′31.1″E﻿ / ﻿20.870833°N 100.541972°E﻿ / 20.870833; 100.541972﻿ (Second Myanmar–Lao Friendship Bridge) | Luang Namtha Myanmar | [7] [8] |
| 6 | Pakbeng Bridge | ຂົວ ປາກແບ່ງ | 120 m (390 ft) | 379 m (1,243 ft) | Box girder Prestressed concrete 66+120+66 | National Road 2W Mekong | 2015 | Pakbeng 19°50′37.0″N 101°03′57.4″E﻿ / ﻿19.843611°N 101.065944°E﻿ / 19.843611; 101.065944﻿ (Pakbeng Bridge) | Oudomxay Sainyabuli | [9] [10] |
| 7 | Second Thai–Lao Friendship Bridge | ຂົວມິດຕະພາບ ລາວ-ໄທ ແຫ່ງທີສອງ | 110 m (360 ft) (x4) | 2,050 m (6,730 ft) | Box girder Concrete box girder deck, concrete pylons 2x110+5x80+2x110 | Mekong | 2006 | Savannakhet–Mukdahan 16°36′01.1″N 104°44′33.0″E﻿ / ﻿16.600306°N 104.742500°E﻿ / 16.600306; 104.742500﻿ (Second Thai–Lao Friendship Bridge) | Savannakhet Thailand | [S 3] [11] [12] |
| 8 | Fourth Thai–Lao Friendship Bridge | ຂົວມິດຕະພາບ ລາວ-ໄທ ແຫ່ງທຳອິດ 4 | 110 m (360 ft) (x3) | 630 m (2,070 ft) | Box girder Prestressed concrete 75+110x3+75 | Asian Highway 3 Mekong | 2013 | Houayxay–Chiang Khong District 20°12′50.1″N 100°27′14.1″E﻿ / ﻿20.213917°N 100.453917°E﻿ / 20.213917; 100.453917﻿ (Fourth Thai–Lao Friendship Bridge) | Bokeo Thailand | [S 4] [13] [14] |
| 9 | Sekong 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 | 2018 | Sekong 15°20′27.4″N 106°43′57.5″E﻿ / ﻿15.340944°N 106.732639°E﻿ / 15.340944; 106.732639﻿ (Sekong Bridge (Laos)) | Sekong | [15] [16] [17] |
| 10 | First Thai–Lao Friendship Bridge | ຂົວມິດຕະພາບ ລາວ-ໄທ ແຫ່ງທຳອິດ | 105 m (344 ft) (x5) | 1,174 m (3,852 ft) | Box girder Prestressed concrete 70+105x5+70 | Asian Highway 12 Mekong | 1994 | Vientiane–Nong Khai 17°52′48.8″N 102°42′54.2″E﻿ / ﻿17.880222°N 102.715056°E﻿ / 17.880222; 102.715056﻿ (First Thai–Lao Friendship Bridge) | Vientiane Prefecture Thailand | [S 5] [18] [19] |
| 11 | Luang Prabang Railway Bridge | | 104 m (341 ft) (x4) | 1,459 m (4,787 ft) | Box girder Prestressed concrete 60+104x4+60 | Vientiane–Boten railway Mekong | 2021 | Luang Prabang 19°56′01.0″N 102°12′21.6″E﻿ / ﻿19.933611°N 102.206000°E﻿ / 19.933611; 102.206000﻿ (Luang Prabang Railway Bridge) | Luang Prabang | |
| 12 | Sixth Thai–Lao Friendship Bridge [th] project | ຂົວມິດຕະພາບ ລາວ-ໄທ ແຫ່ງທຳອິດ 6 | | 1,020 m (3,350 ft) | Arch Steel tied-arch | Mekong | 2026 | Lakhonepheng District–Na Tan District 15°55′17.7″N 105°20′36.6″E﻿ / ﻿15.921583°N 105.343500°E﻿ / 15.921583; 105.343500﻿ (Sixth Thai–Lao Friendship Bridge) | Salavan Thailand | |
| 13 | Pakkhone-Thadeua Bridge | ຂົວນ້ຳຂອງ ທ່າເດື່ອ-ປາກຄອນ | | 620 m (2,030 ft) | Box girder Prestressed concrete | National Road 4 Mekong | 2013 | Pang Khom–Tha Deua 19°25′33.7″N 101°50′51.8″E﻿ / ﻿19.426028°N 101.847722°E﻿ / 19.426028; 101.847722﻿ (Pakkhone-Thadeua Bridge) | Sainyabuli Luang Prabang | |
| 14 | Paklay Bridge | ຂົວນ້ຳຂອງ ນາສັກ-ໂຄກເຂົ້າດໍ | | 365 m (1,198 ft) | Truss Steel | Mekong | 2017 | Pak Lay 18°10′33.3″N 101°23′35.4″E﻿ / ﻿18.175917°N 101.393167°E﻿ / 18.175917; 101.393167﻿ (Paklay Bridge) | Sainyabuli Vientiane Province | |
| 15 | Cable Bridge (Dong, Laos) | | | | Suspension Steel pylons | National Road 909 Sepon River | 1975 | Dong 16°37′32.4″N 106°25′07.0″E﻿ / ﻿16.625667°N 106.418611°E﻿ / 16.625667; 106.418611﻿ (Cable Bridge (Dong, Laos)) | Savannakhet | |
