Milecastle 50TW

Milecastle 50TW measured 20.12 m x 16.76 m (long-axis type). The ramparts measured 6.1 m at the base. The north gateway(similarly sized to a Turret) was found to contain five square posts at each side (each measuring 23 cm on a side), whereas the south gateway was of a smaller area, and only contained three posts on each side. It has been speculated that the additional posts were used to support the extra weight imposed by a tower above the north gateway, not required over the south gateway. Evidence of an internal timber structure (dimensions 9.14 m x 3.66 m was identified in the eastern side of the milecastle (southern end). The structure was divided into two unequal rooms, each…

Milecastle 50TW was constructed as part of the turf wall section of Hadrian's Wall, and is situated to the west of Birdoswald fort. It is unique in being the only original turf wall milecastle where the stone wall milecastle built to replace it was not constructed on the same site; this is due to the divergent nature of the original turf wall, and replacement stone wall at this reach. The replacement stone wall milecastle, milecastle 50 was built some 200 m to the north. All milecastles on the turf wall section of Hadrian's Wall were thought to have been constructed with turf ramparts, with a wooden tower over the north gate. There are no visible remains of Milecastle 50TW, however a…

Although there are no visible remains at any of the three sites, they are all visible (but not accessible) from the Hadrian's Wall path. The nearest accessible parking is at Birdoswald.