Wednesday, April 16 2014 10:54 PM EDT2014-04-17 02:54:16 GMT
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MADISON, Ind. (WDRB) -- Explosives were once again used to bring down a 550-foot section of the Milton Madison Bridge Thursday morning.
The blast went off around 9:22 a.m. Once again, dozens of spectators lined the river bank to watch the spectacle.
All traffic within a thousand feet of the bridge was stopped before, during and after the blasting.
River traffic was closed starting at approximately 9 a.m. It should reopen at or before 11 a.m. Recreational boaters were required to stay 1,000 feet from the bridge during the blast. An FAA no-fly zone of 2,000 feet was in effect prior to and during the blast.
Pieces of the truss will be retrieved from the river, placed on barges, taken to the shore for further dismantling and eventually sold for scrap. Divers are on call to ensure all pieces are removed from the river.
The demolition will require the closure of the new bridge starting at approximately 9 a.m. on August 1. Other roads within the designated 1,000-foot safety perimeter will also be closed. The new bridge and surrounding roads are expected to reopen to traffic at or before 11 a.m.
During the bridge closure, drivers can detour 26 miles upstream at the Markland Locks and Dam Bridge.
The remainder of the 2,427-foot-long bridge will be demolished in two separate blasts over the next several weeks.
Once the old truss is completely removed, the original piers will be widened to accommodate the new 40-foot-wide bridge which is currently on temporary piers.
Crews brought down another 700-foot section of the bridge on July 23 as dozens of spectators looked on.
The final step comes later this year, when the new bridge will be slid onto the renovated original piers.