Roman Cumbria to Wallsend on the Tyne estuary, with additional military installations running down the Cumbrian coast from Bowness to Risehow, south of Maryport, in an integrated fashion (and with forts at Burrow Walls and Moresby that were perhaps not part of the system). Historians believe that the Turf Wall from the River Irthing to Bowness-on Solway was rebuilt in stone in two stages. The most easterly five miles were rebuilt at the time of Hadrian, with the remainder being rebuilt after 150 AD. However, this is open to dispute: it is uncertain whether the building works in the second half of
Bowness-on-Solway the construction of a wet dock at Silloth. The viaduct suffered minor frost damage in 1875; in 1881 large sections of it were destroyed by ice floes, but the viaduct was rebuilt. The railway never lived up to its promoters' expectations, and in 1914 it was restricted to carrying goods only. In 1921 the railway was closed entirely, and in 1934 the viaduct was demolished. Bowness-on-Solway Bowness-on-Solway is a village of fewer than 100 houses on the Solway Firth separating England and Scotland. The civil parish had a population of 1,126 at the 2011 census. It is in North-West Cumbria