Name Thai Span Length Type CarriesCrosses Opened Location Province Ref. 1 Kanchanaphisek Bridge สะพานกาญจนาภิเษก 500 m (1,600 ft) 941 m (3,087 ft) Cable-stayed Composite steel/concrete deck, concrete pylons 2x72+76+500+76 +2x72 2007 Phra Pradaeng 13°37′59.7″N 100°32′18.5″E / 13.633250°N 100.538472°E / 13.633250; 100.538472 (Kanchanaphisek Bridge ) Samut Prakan [ Note 1] [ S 3] [ 8] [ 9] 2 Rama IX Bridge สะพานพระราม 9 450 m (1,480 ft) 781 m (2,562 ft) Cable-stayed Steel box girder deck, steel pylons 47+57+61+450+61 +57+47 1987 Bangkok 13°40′55.7″N 100°31′03.9″E / 13.682139°N 100.517750°E / 13.682139; 100.517750 (Rama IX Bridge ) Bangkok [ Note 1] [ S 4] [ 10] [ 11] [ 12] 3 Thotsamarachan Bridge สะพานทศมราชัน 450 m (1,480 ft) 781 m (2,562 ft) Cable-stayed Composite steel/concrete deck, concrete pylons 47+58+61+450+61 +58+47 2024 Bangkok 13°40′54.9″N 100°31′05.3″E / 13.681917°N 100.518139°E / 13.681917; 100.518139 (Second Rama IX Bridge ) Bangkok [ Note 1] [ 13] [ 14] [ 15] [ 16] 4 Bhumibol Bridge II สะพานภูมิพล 398 m (1,306 ft) 4,200 m (13,800 ft) Cable-stayed Composite steel/concrete deck, concrete pylons 68+83+398+83+68 2006 Phra Pradaeng 13°39′37.7″N 100°32′22.3″E / 13.660472°N 100.539528°E / 13.660472; 100.539528 (Bhumibol Bridge II ) Samut Prakan [ S 5] [ 9] [ 17] [ 18] 5 Bhumibol Bridge I สะพานภูมิพล 326 m (1,070 ft) 4,200 m (13,800 ft) Cable-stayed Composite steel/concrete deck, concrete pylons 50+74+326+74+50 2006 Bangkok –Phra Pradaeng 13°39′37.7″N 100°32′22.3″E / 13.660472°N 100.539528°E / 13.660472; 100.539528 (Bhumibol Bridge I ) Bangkok Samut Prakan [ S 6] [ 9] [ 17] [ 19] 6 Rama VIII Bridge สะพานพระราม 8 300 m (980 ft) 2,450 m (8,040 ft) Cable-stayed Composite steel/concrete deck, concrete pylon 75+50+50+300 2002 Bangkok 13°46′08.1″N 100°29′49.6″E / 13.768917°N 100.497111°E / 13.768917; 100.497111 (Rama VIII Bridge ) Bangkok [ S 7] [ 20] [ 21] [ 22] 7 New Phra Nang Klao Bridge [ th ] สะพานพระนั่งเกล้า 2 229 m (751 ft) Box girder Prestressed concrete 130+229+130 2008 Mueang Nonthaburi District 13°52′14.5″N 100°28′35.5″E / 13.870694°N 100.476528°E / 13.870694; 100.476528 (New Phra Nang Klao Bridge ) Nonthaburi [ S 8] [ 23] [ 24] 8 Rama III Bridge สะพานพระราม 3 226 m (741 ft) 2,170 m (7,120 ft) Box girder Prestressed concrete 125+226+125 1999 Bangkok 13°42′04.5″N 100°29′32.8″E / 13.701250°N 100.492444°E / 13.701250; 100.492444 (Rama III Bridge ) Bangkok [ S 9] [ 24] [ 25] [ 26] [ 27] 9 Maha Chesadabodindranusorn Bridge สะพานมหาเจษฎาบดินท รานุสรณ์ 200 m (660 ft) 460 m (1,510 ft) Extradosed Concrete box girder deck, concrete pylons 130+200+130 2014 Mueang Nonthaburi District 13°51′11.3″N 100°28′48.2″E / 13.853139°N 100.480056°E / 13.853139; 100.480056 (Maha Chesadabodindranusorn Bridge ) Nonthaburi [ Note 1] [ 28] [ 29] [ 30] 10 Third Thai–Lao Friendship Bridge สะพานมิตรภาพ ไทย-ลาว แห่งที่ 3 180 m (590 ft) (x3) 1,423 m (4,669 ft) Box girder Prestressed concrete 120+3x180+120 2011 Nakhon Phanom –Thakhek 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 ) Nakhon Phanom Laos [ S 10] [ 31] 11 Pathum Thani II Bridge [ th ] สะพานปทุมธานี 2 160 m (520 ft) Box girder Prestressed concrete 129+160+129 2009 Mueang Pathum Thani District 13°57′56.8″N 100°32′03.2″E / 13.965778°N 100.534222°E / 13.965778; 100.534222 (Pathum Thani II Bridge ) Pathum Thani [ 32] 12 Chulalongkorn 2 Bridge สะพานจุฬาลงกรณ์ 2 160 m (520 ft) 340 m (1,120 ft) Extradosed Concrete box girder deck, concrete pylons 2022 Ratchaburi 13°32′28.3″N 99°49′27.7″E / 13.541194°N 99.824361°E / 13.541194; 99.824361 (Chulalongkorn 2 Bridge ) Ratchaburi [ Note 1] [ 33] 13 Fifth Thai–Lao Friendship Bridge สะพานมิตรภาพไทย–ลาว 5 150 m (490 ft) (x3) 1,350 m (4,430 ft) Extradosed Concrete box girder deck, 4 concrete pylons 2025 Bueng Kan –Pakxan 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 ) Bueng Kan Laos [ 34] [ 35] 14 MRT Blue Line Chao Phraya Bridge สะพานรถไฟฟ้ามหานคร สายสีน้ำเงิน 140 m (460 ft) 300 m (980 ft) Box girder Prestressed concrete 80+140+80 2019 Bangkok 13°48′21.1″N 100°31′03.6″E / 13.805861°N 100.517667°E / 13.805861; 100.517667 (MRT Blue Line Chao Phraya Bridge ) Bangkok [ Note 1] [ 36] 15 Rama IV Bridge สะพานพระราม 4 134 m (440 ft) 278 m (912 ft) Box girder Prestressed concrete Twin bridges 72+134+72 2006 Pak Kret District 13°54′56.8″N 100°29′38.4″E / 13.915778°N 100.494000°E / 13.915778; 100.494000 (Rama IV Bridge ) Nonthaburi [ Note 1] [ 37] [ 38] 16 Rama V Bridge สะพานพระราม 5 130 m (430 ft) 320 m (1,050 ft) Box girder Prestressed concrete 95+130+95 2002 Mueang Nonthaburi District 13°49′56.9″N 100°29′43.1″E / 13.832472°N 100.495306°E / 13.832472; 100.495306 (Rama V Bridge ) Nonthaburi [ Note 1] [ S 11] [ 39] 17 Rama VI Bridge สะพานพระราม 6 120 m (390 ft) 441 m (1,447 ft) Truss Steel 78+84+120+84+78 1927 Bangkok –Bang Kruai District 13°48′47.5″N 100°30′55.0″E / 13.813194°N 100.515278°E / 13.813194; 100.515278 (Rama VI Bridge ) Bangkok Nonthaburi [ Note 1] [ S 12] [ 40] [ 41] 18 Rama VII Bridge สะพานพระราม 7 120 m (390 ft) 833 m (2,733 ft) Box girder Prestressed concrete Twin bridges 85+120+85 1992 Bangkok –Bang Kruai District 13°48′50.7″N 100°30′50.4″E / 13.814083°N 100.514000°E / 13.814083; 100.514000 (Rama VII Bridge ) Bangkok Nonthaburi [ S 13] [ 42] [ 43] [ 44] 19 Light Red Line Commuter Chao Phraya Railway Bridge สะพานรถไฟฟ้าชานเมือง สายสีแดงอ่อน 120 m (390 ft) Box girder Prestressed concrete 2012 Bangkok –Bang Kruai District 13°48′48.3″N 100°30′54.3″E / 13.813417°N 100.515083°E / 13.813417; 100.515083 (Light Red Line Commuter Chao Phraya Railway Bridge ) Bangkok Nonthaburi [ 45] 20 Prachim Ratthaya Expressway Chao Phraya Bridge สะพาทางพิเศษประจิมรัถยา 120 m (390 ft) 286 m (938 ft) Box girder Prestressed concrete Twin bridges 83+120+83 2016 Bangkok 13°48′46.9″N 100°30′55.8″E / 13.813028°N 100.515500°E / 13.813028; 100.515500 (Prachim Ratthaya Expressway Chao Phraya Bridge ) Bangkok [ Note 1] [ 46] 21 Second Thai–Myanmar Friendship Bridge [ th ] สะพานมิตรภาพไทย-พม่า แห่งที่ 2 120 m (390 ft) 760 m (2,490 ft) Box girder Prestressed concrete 75+120+75 2019 Mae Sot –Myawaddy 16°42′52.3″N 98°29′15.2″E / 16.714528°N 98.487556°E / 16.714528; 98.487556 (Second Thai–Myanmar Friendship Bridge ) Tak Myanmar [ 47] 22 Phra Pin-klao Bridge สะพานพระปิ่นเกล้า 114 m (374 ft) 638 m (2,093 ft) Box girder Prestressed concrete Twin bridges 83+114+83 1973 Bangkok 13°45′43.0″N 100°29′27.2″E / 13.761944°N 100.490889°E / 13.761944; 100.490889 (Phra Pin-klao Bridge ) Bangkok [ S 14] [ 48] [ 49] 23 Second Thai–Lao Friendship Bridge สะพานมิตรภาพ ไทย-ลาว แห่งที่ 2 110 m (360 ft) (x4) 2,050 m (6,730 ft) Box girder Concrete box girder deck, concrete pylons 2x110+5x80+2x110 2006 Mukdahan –Savannakhet 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 ) Mukdahan Laos [ S 15] [ 50] [ 51] 24 Fourth Thai–Lao Friendship Bridge สะพานมิตรภาพ ไทย-ลาว แห่งที่ 4 110 m (360 ft) (x3) 630 m (2,070 ft) Box girder Prestressed concrete 75+110x3+75 2013 Chiang Khong District –Houayxay 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 ) Chiang Rai Laos [ S 16] [ 52] [ 53] 25 First Thai–Lao Friendship Bridge สะพานมิตรภาพ 1 105 m (344 ft) (x5) 1,174 m (3,852 ft) Box girder Prestressed concrete 70+105x5+70 1994 Nong Khai –Vientiane 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 ) Nong Khai Laos [ S 17] [ 54] [ 55] 26 Phra Pok Klao Bridge สะพานพระปกเกล้า 100 m (330 ft) 745 m (2,444 ft) Box girder Prestressed concrete Triple bridges 56+100+56 1984 Bangkok 13°44′20.5″N 100°29′54.8″E / 13.739028°N 100.498556°E / 13.739028; 100.498556 (Phra Pok Klao Bridge ) Bangkok [ S 18] [ 56] [ 57] 27 Sarasin 2 Bridge สะพานสารสิน 2 100 m (330 ft) 655 m (2,149 ft) Box girder Prestressed concrete 2011 Phuket (city) –Takua Thung district 8°12′05.1″N 98°17′53.3″E / 8.201417°N 98.298139°E / 8.201417; 98.298139 (Sarasin 2 Bridge ) Phuket Phang Nga [ 58] 28 Bang Na Expressway ทางพิเศษบูรพาวิถี 42 m (138 ft) 55,000 m (180,000 ft) Box girder Prestressed concrete Bang Na Expressway
2001 Bangkok –Bang Pakong District 13°29′10.7″N 101°00′14.2″E / 13.486306°N 101.003944°E / 13.486306; 101.003944 (Bang Na Expressway ) Bangkok Chachoengsao [ S 19] [ 59] 29 Sixth Thai–Lao Friendship Bridge [ th ] project สะพานมิตรภาพไทย–ลาว 6 1,020 m (3,350 ft) Arch Steel tied-arch 2026 Na Tan District –Lakhonepheng 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 ) Ubon Ratchathani Laos [ 60]