| Sl.No | Division | Length of NH(KM) | Total number of bridges | Total number of culverts |
| 1 | Thiruvananthapuram | 100.966 | 16 | 50 |
| 2 | Kollam | 235.95 | 45 | 345 |
| 3 | Alappuzha | 95.095 | 15 | 55 |
| 4 | Muvattupuzha | 388.313 | 67 | 999 |
| 5 | Kodungallur | 230.255 | 80 | 324 |
| 6 | Kozhikkode | 223.063 | 52 | 465 |
| 7 | Malappuram | 264.745 | 73 | 651 |
| 8 | Kannur | 166.55 | 35 | 162 |
| Total | 1704.937 | 383 | 3051 |