The rules that use the vocabulary item "bridge" are:

<attached_part>

bridge

<specific_vehicle_type-sing>

armored vehicle launch bridge

heavy assault bridge

<specific_vehicle_type-creatable-sing>

armored vehicle launch bridge

heavy assault bridge

<specific_vehicle_type-not_creatable-sing>

armored vehicle launch bridge

heavy assault bridge

<specific_vehicle_type-not_creatable>

armored vehicle launch bridge

heavy assault bridge