Castor Bay RD
| Structure No | 40090 |
| Structure Name | Castor Bay RD |
| Last PI Date | 14-Apr-2014 |
| Next PI Date +/- 6 Month | 28-Feb-2020 |
| Last GI Date | 18-Jan-2012 |
| Next GI Due +/- 6 Month | 18-Oct-2014 |
| Route | M1 |
| X | 307760 |
| Y | 361413 |
| Spanning | M1 |
| Orientation | S-N |
| Skew | 16.34 |
| Span Length | 50.04 |
| Structure Type | 4 Span continuous, simply support at Abutments |
| Joint Type | Asphaltic Plug |
| Parapet | Metal Painted |
| Construction Year | 1968 |
| HA_Rating | 17 |
| HB_Rating | 27.4 |