Close up pic of the mill, damn, and river.
Alright, clues:
1. Old mill/damn in the town of ___ . Mill has not be operational since atleast 1982; that's when I moved to the area.
2. Town in which located shares the same name as the river seen in the picture.
3. Road seen in the picture, which goes over the river, is a 3 digit route, whose sum of those 3 digits = 12.
Good luck!