The northern line has eleven bridges longer than 100 metres. The longest is the Black Bridge (274.20 metres) just to the north of Nakhon Lampang Railway Station where it crosses the Wang River. The three viaducts over tributaries of Khlong Mae Tan between Mae Tan Noi and Khun Tan stations have some fantastic views. The most notable bridge not on this list is The White Bridge at Tha Chomphu (see photo below). This is 88.4 metres long.

1. Khlong Pho Bridge (KM 61.77 Bang Pa-in – Ban Pho): 101.50 metres
2. Khlong Han Tra Bridge (KM 73.06 Ayutthaya – Ban Ma): 100.60 metres
3. Chakri Bridge (KM 102.29 Nong Wiwat – Tha Ruea): 103.00 metres
4. Pasak River Bridge (KM 102.32 Nong Wiwat – Tha Ruea): 107.50 metres
5. Ban Dara Bridge (KM 456.99 Rai Oi – Ban Dara Junction): 262 metres
6. Yom River (KM 551.55 Kaeng Luang – Ban Pin): 174.00 metres
7. Black Bridge (KM 643.37 Nakhon Lampang – Hang Chat): 274.20 metres
8. Composite Bridge (KM 676.75 Mae Tan Noi – Khun Tan): 120 metres
9. Three Tower Bridge (KM 677.90 Mae Tan Noi – Khun Tan): 142.00 metres
10. Two Tower Bridge (KM 678.32 Mae Tan Noi – Khun Tan): 120 metres
11. Kuang River Bridge (KM 728.28 Nong Lom – Lamphun): 120.00 metres

RELATED LINKS: Tunnels on the Northern Line