Yup, your config is a bit screwy.
Just use one bridge,
put all LANS (including wifi lsubnets) on VLANS.
DHCP for every VLAN.
Add all ports to bridge
Add all VLANs to bridge
Use this as a really good reference to setup the hapac… see #3 for the all in one unit setup.
http://forum.mikrotik.com/t/using-routeros-to-vlan-your-network/126489/1