Coast Guard bet on how soon the Key Bridge would be destroyed by ship

[DasKleineTeilchen]

At least 7 still missing after Baltimore bridge collapses into river

Why didn’t the bridge had concrete island buffers around the pillars? if ships that size crossing a bridge, you have to account for accidents like that, right? e/ exactly. I dont understand that such a bridge with massive cargo ships under it is not protected against an event like this. I dont get it.

thnx.