| Milecastle 69 | |
|---|---|
 Sourmilk Bridge (close to the site of Milecastle 69) | |
  Location in the City of Carlisle district, Cumbria  Location in Cumbria, England | |
| Type | Milecastle |
| Location | |
| Coordinates | 54°54′49″N 2°59′27″W / 54.913694°N 2.990897°W |
| County | Cumbria |
| Country | England |
| Reference | |
| UK-OSNG reference | NY36575811 |
Milecastle 69 (Sourmilk Bridge) was one of a series of Milecastles or small fortlets built at intervals of approximately one Roman mile along Hadrian's Wall (grid reference NY36575811).