List of railway bridges and viaducts in Thailand

This is a list of viaducts and significant bridges of Thailand's railways, past and present.

0–9

 * 100-metres Bridge, Prachuap Khiri Khan Province

B

 * Ban Mai Bridge, Nakhon Sawan Province
 * Ban Phai Elevated Railway, Khon Kaen Province
 * Bangkok Elevated Road and Train System viaduct (incompleted), Bangkok and Pathum Thani Province
 * Bang Mun Nak Bridge, Phichit Province
 * Bang Pakong River Railway bridge, Chachoengsao Province
 * Bang Saphan River Railway bridge, Prachuap Khiri Khan Province
 * Bridge near Prachantakham railway station, Prachinburi Province
 * Bueng Boraphet Railway bridge, Nakhon Sawan Province
 * BTS Skytrain viaduct, Bangkok

C

 * Chakri Railway bridge, crossing Pa Sak River, Phra Nakhon Si Ayutthaya Province
 * Chawang River Railway bridge, Nakhon Si Thammarat Province
 * Chi River Railway bridge, Khon Kaen Province
 * Chulachomklao bridge, or Ban Don Bridge, Tha Kham Bridge, Surat Thani Bridge, Surat Thani Province
 * Chulalongkorn Railway bridge, crossing Mae Klong River, Ratchaburi Province
 * Composite Bridge, using instead of Pang La Bridge, Lampang Province

D

 * Dong Ta Khob Bridge, Phichit Province

G

 * Guang River Railway bridge, Lamphun Province

H

 * Hanuman River Railway bridge, Prachinburi Province
 * Hua Dong Bridge, Phichit Province
 * Hua Hin Elevated Railway, Prachuap Khiri Khan Province (Under Construction)
 * Huai Chorakhemak Railway bridge, Buriram Province
 * Huai Kha Yung Railway bridge, Si Sa Ket Province
 * Huai Mae Ta Bridge, crossing Yom River, Phrae Province
 * Huai Samran Railway bridge, Si Sa Ket Province
 * Huai Thap Than Railway bridge, Surin Province

K

 * Khlong Bangkok Noi Railway bridge, Bangkok
 * Khlong Bang Khen Railway bridge, Bangkok
 * Khlong Bang Prong Bridge, Nakhon Sawan Province
 * Khlong Bang Ra Mat Bridge, Bangkok
 * Khlong Bang Sue Railway bridge, Bangkok
 * Khlong Chan Dee Bridge, Nakhon Si Thammarat Province
 * Khlong Cholaprathan Anusatsananun Bridge, Nakhon Sawan Province
 * Khlong Chorakhephuek Bridge, Nakhon Sawan Province
 * Khlong Ka Mang Railway bridge, Phra Nakhon Si Ayutthaya Province
 * Khlong Luek Bridge, near the Cambodia border, Sa Kaeo Province
 * Khlong Pla Kot Bridge, Nakhon Sawan Province
 * Khlong Rang Sit Railway bridge, Pathum Thani Province
 * Khlong Sam Sen Railway bridge, Bangkok
 * Khlong Tha Lo Bridge, Phichit Province
 * Khlong Tha Luang Bridge, Phichit Province
 * Khlong Yan Railway bridge, Surat Thani Province
 * Khok Khlee Bridge, Lopburi Province
 * Khon Kaen Elevated Railway, Khon Kaen Province
 * Kwae Noi Railway bridge, Phitsanulok Province
 * Kui Buri River Railway bridge, Prachuap Khiri Khan Province

L

 * Lam Chakkarat Railway bridge, Nakhon Ratchasima Province
 * Lam Chi Railway bridge, Surin Province
 * Lam Plai Mat Railway bridge, Buriram Province
 * Lang Suan River Railway bridge, Chumphon Province
 * Lopburi Bypass Elevated Railway, Lopburi Province (Under Construction)

M

 * Mae Thiap Bridge, Phitsanulok Province
 * Maha Nak Railway bridge, Bangkok
 * Huai Muak Lek Bridge, Saraburi Province
 * Muak Lek Elevated Railway, Saraburi Province (Under Construction)

N

 * Nong Pling Bridge, Nakhon Sawan Province

P

 * Pak Pan Bridge, Phrae Province
 * Pang La Bridge or Ha Ho Bridge, Lampang Province
 * Pattani River Railway bridge, Yala Province
 * Pa Sak Cholasit Dam Bridges, consist of 5 bridge spans, Saraburi and Lopburi Province
 * Pa Sak River Railway bridge, Saraburi Province
 * Pa Sak River Railway bridge, Lopburi Province
 * Phra Prong Bridge, Prachinburi Province
 * Phetchaburi River Railway bridge, Phetchaburi Province
 * Phong River Railway bridge, Khon Kaen Province
 * Poramin Bridge, or Ban Dara Bridge, Uttaradit Province
 * Prachantakham River Bridge, Prachinburi Province
 * Pranburi River Railway bridge, Prachuap Khiri Khan Province
 * Phra Wiang Bridge, Surat Thani Province

R

 * Railway bridges near Bang Krathum railway station, Phitsanulok Province
 * Rama VI Bridge, crossing Chao Phraya River, Bangkok, one of the longest truss bridge in Thailand.
 * Rama I Canal Bridge, Songkhla Province

S

 * Saowabha Bridge, crossing Tha Chin River, Nakhon Pathom Province
 * Sai Buri River Railway bridge, Yala Province
 * Sam Ho Bridge, Lampang Province
 * Song Ho Bridge, Lampang Province
 * Suvarnabhumi Airport Link viaduct, Bangkok and Samut Prakan Province
 * Sri Surat Bridge, Surat Thani Province
 * Sri Tapi Bridge, Surat Thani Province

T

 * Thai–Lao Friendship Bridge, Nong Khai Province
 * Tham Krasae Bridge, Kanchanaburi Province
 * Tha Chang Bridge, crossing Mun River, Nakhon Ratchasima Province
 * Tha Chom Phu Bridge, or White Bridge, Lamphun Province
 * Tha Taphao River Railway bridge, Chumphon Province
 * Thepha River Railway bridge, Songkhla Province
 * The Bridge on the River Kwai, Kanchanaburi Province

W

 * Wang River Railway bridge, Lampang Province
 * Watabaek Bridge, crossing Suranarai Road, Chaiyaphum Province

Y

 * Yothaka Bridge, crossing Nakhon Nayok River, Chachoengsao Province