COLUMN INSURANCERiver DanceA grounding launches runaway barges and a Coast Guard investigation.By Randy O’NeillIt has been said that the vast majori- barge took dead aim for a railroad bridge. Less than a min-ties of collisions at sea occur in near per- ute later, the barge struck the eastern support columns of fect weather conditions. That trend can the bridge where it became pinned underneath the struc-also be applied to the inland river sys- ture and held there by the current. Not being sure what, if tem. Not too long ago, it was a beautiful any, damage the barge/bridge allision had caused, railroad mid-summer afternoon in the nation’s authorities immediately closed the bridge to rail traf