Certain buildings should not have any negative cultural impact on a city's Order rating. The fact that the penalty applies to all structures of a different culture implies that this cannot be changed on a per structure basis.

What idiotic barbarian would prefer a dinky wooden stockade over an epic stone wall, a dirt road over a paved road and a muddy stream just outside the city to an aqueduct that brings in water from a river a mile away?

"What have the Romans ever done for us?"