In my imagination at the other side of the road bridge lies Sherton Abbas's engine shed, turntable, water tower and ash pit.
Road Bridge
However the Station Building would need a water supply and in 1904 it probably wouldn't have been connected to a mains supply. I've also thought that it would have been more convenient for locomotives requiring water to be able to access a supply near the platform rather than having to go to the engine shed. I'd appreciate any