Viaducts
| Photo | Name | Rating | External Link | Arches | Length | Height | Year Opened | |
|---|---|---|---|---|---|---|---|---|
| << < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 > >> | ||||||||
 | Larpool Viaduct | 13 | 279m | 38m | 1885 | |||
 | Lasswade Viaduct | 23m | ||||||
 | Leaderfoot Viaduct | |||||||
 | Liddell viaduct | 9 | 152m | |||||
 | Linlithgow, Avon Viaduct | 23 | 404m | 27m | ||||
| Liskeard | 12 | 220m | 46m | |||||
 | Lobb Ghyll | 5 | ||||||
 | Loch Ken Viaduct | 3 | ||||||
 | Lowgill Viaduct | 189m | 30m | |||||
 | Lumb Viaduct | 9 | ||||||