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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