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What are we talking about here?  Geological activity, a design flaw, bad materials, or what?  

A well-built arch is robust, and should not be collapsing at all.  

You do say how old the bridge is, but it is clearly not old.  

Say what?  

(Too bad.  It was elegant.)  

The Fates are kind.

by Gaianne on Sat Jan 28th, 2006 at 12:26:47 AM EST
It was built in 1953, so it's not that old. From what I read, it has been a combination of worsening water inflitrations on the banks (as the shantytowns were built around it and changed the volumes and patterns of water on the mountainsides), and possible geological effects as the bridge is over a geological fault whose movements may have been underestimated.

In the long run, we're all dead. John Maynard Keynes
by Jerome a Paris (etg@eurotrib.com) on Sat Jan 28th, 2006 at 09:13:28 AM EST
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