HELP!!!!

I have been asked to streamline an existing network for a non-profit that consists of nine bridged sites on a class B subnet. All IP’s are obtained from a WIN2000 DHCP server. My question is could I just switch to routing across all these bridged connections even though they are on the same subnet? I’ve never heard of this but being done but if it’s possible…..it seems like it might be a lot less work. Any advise is greatly appreciated!