That wasn't the issue for the brige, but from centuries old idiotic people founding villages near a river or stray with names like "Villar del rio" (village of

That wasn't the issue for the brige, but from centuries old idiotic people founding villages near a river or stray with names like "Villar del rio" (village of -by- the river). At least that's the case of Spain. Then floods happened really often, and everyone ranted on the supposed bad materials.