funsec mailing list archives
Are the bridges in your neighborhood safe?
From: "'Richard M. Smith'" <rms () computerbytesman com>
Date: Thu, 2 Aug 2007 11:43:27 -0400
I bet this DOT bridge database that CNN talks about is getting a real work-out today.. Here's the URL for the search page: http://nationalbridges.com/ I just got an SQL error, so the Web site might be overloaded. Richard _____ http://www.cnn.com/2007/US/08/02/bridge.collapse/index.html Up to 50 vehicles trapped in bridge wreckage, officials say A 2001 study conducted by the Minnesota Department of Transportation found "several fatigue problems" in the bridge's approach spans and "poor fatigue details" on the main truss. The study suggested that the design of bridge's main truss could cause a collapse if one of two support planes were to become cracked, although it allowed that a collapse might not occur in that event. But, the study concluded, "fatigue cracking of the deck truss is not likely" and "replacement of the bridge ... may be deferred." Two years ago, the <http://topics.cnn.com/topics/u_s_department_of_transportation/> U.S. Department of Transportation's National Bridge Inventory database said the bridge was "structurally deficient." The Minneapolis Star Tribune quoted Jeanne Aamodt, a spokeswoman for the Minnesota Department of Transportation, as saying the department was aware of the 2005 assessment of the bridge. The bridge received a rating of 4 on a scale of 1 to 10. A bridge receives a rating of 4 when there is "advanced section loss, deterioration."
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Current thread:
- Are the bridges in your neighborhood safe? 'Richard M. Smith' (Aug 02)
- Re: Are the bridges in your neighborhood safe? Dennis Henderson (Aug 02)
- Re: Are the bridges in your neighborhood safe? rms (Aug 02)
- Re: Are the bridges in your neighborhood safe? Dennis Henderson (Aug 02)