Iowa implosion causes damage to new bridge.
Officials say plans to demolish an old pier in Burlington by blowing it ended up damaging a section of a new railroad bridge.
The Hawk Eye reports that 90-feet of the new 356-foot span of the Burlington Northern Santa Fe Railway bridge was damaged after an explosion charge was set off to remove the pier Saturday night. . No injuries were reported.
BNSF spokeswoman Amy McBeth says an investigation is under way to determine what happened.
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