
As picture,
You can remove bridge pillar simple way.
1. build wire.
2. build road(bridge) over wire by same direction.
3. use demolition tool to road.
4. In this stuation, wire has removed.
5. done.
It seem more better.
Try it

(And, at korean translation, some serious error is exist. I want to feedback to translator but I don't know how to do this. help.)
-Mir-