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December 28, 2009

Boom Goes The Dynamite! (Or Whatever They Use To Blow Up Bridges)

Farewell to the Lake Champlain Bridge.

How much explosives does it take to knockdown a bridge? 800 pounds.

The 500 explosive charges sliced through the steel at 17,000 feet per second, bringing 80% of the bridge down into the water in under 10 seconds, according to the New York State Department of Transportation. The sound it made was reportedly greater than 130 decibels. The 2,184-foot-long bridge, also known as Crown Point Bridge, was 80 years old and had severe erosion to its concrete supports. It was closed on Oct. 16 when engineers deemed it unsafe after noticing an exposed crack on one of its piers during repairs.

posted by DrewM. at 08:43 PM

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The sound it made was reportedly greater than 130 decibels. The 2,184-foot-long bridge, also known as Crown Point Bridge, was 80 years old and had severe erosion to its concrete supports. It was closed on Oct. 16 when engineers deemed it unsafe after noticing an exposed crack on one of its piers during repairs. posted by DrewM. at 08:43 PM \| Access Comments <script language="javascript" src="http://adserver.adtechus.com/addyn/3.0/5235/1131537/0/170/ADTECH;loc=700;cookie=info;target=_blank;key=key1+key2+key3+key4;grp=[group]"></script><noscript><a href="http://adserver.adtechus.com/adlink/3.0/5235/1131537/0/170/ADTECH;loc=300;key=key1+key2+key3+key4;grp=[group]" target="_blank"><img src="http://adserver.adtechus.com/adserv/3.0/5235/1131537/0/170/ADTECH;loc=300;key=key1+key2+key3+key4;grp=[group]" border="0" width="300" height="250"></a></noscript>	Recent Comments Shenanigans : "John Bolton calls Matt Gaetz the worst cabinet pic ..." 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