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Carmageddon II: Bridge demolition slowed after glitch

September 29, 2012 |  6:43 pm

Demolition crews taking down a portion of the Mulholland Drive bridge that traverses the 405 Freeway got a slight scare Saturday afternoon when a large chunk of the bridge fell unexpectedly and forced a work slowdown.

But after a quick assessment, engineers determined that the demolition, which is part of a $1-billion freeway and bridge widening project, could go forward. A portion of the bridge is being demolished so that the 405 can be widened to add a new carpool lane.

The freeway, which is shut down this weekend between the 10 and 101 freeways, is scheduled to reopen at 5 a.m. Monday.

“We expect demolition to proceed more slowly at this point while we carefully dismantle the remaining superstructure in a way that maintains the structural integrity of the remaining bridge sections,” officials said in a prepared statement. “This is not cause for concern. It did not damage the newly constructed portion of the bridge nor should it cause any delays. The contractor usually cuts the sections into smaller pieces. Structural safety engineers are currently assessing how the large section can be safely demolished."


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--Ari Bloomekatz