Derrykinlough Underpass Bridge
| Structure No | 40575 |
| Structure Name | Derrykinlough Underpass Bridge |
| Last PI Date | 28-May-2014 |
| Next PI Date +/- 6 Month | 05-Sept-2019 |
| Last GI Date | 11-Jul-2011 |
| Next GI Due +/- 6 Month | 25-Oct-2015 |
| Route | M1 |
| X | 291169 |
| Y | 360044 |
| Spanning | Cattle Underpass |
| Orientation | W-E |
| Skew | 7.00 |
| Span Length | 4.40 |
| Structure Type | Underbridge – portal frame structure |
| Joint Type | – |
| Parapet | – |
| Construction Year | 1963 |
| HA_Rating | 40 |
| HB_Rating | 45 |