? It's only 1 at the moment
I've made a bridge now, with a very small (basicly 1 side) fort at the other side. There will also be a forrest, a small town and a bigger fortress.
There are officers quarters, cannons, taverns, soldiers quarters, and I plan a small harbor where the soldiers off duty can go Fish
It's a big map, I agree, but the total amount of buildings is actually not that bad
The bridge is big: