Entropy Threatens Crucial U.S. Systems.

The Commission on Public Infrastructure at the Center for Strategic and International Studies, a Washington think tank, said in a recent report that facilities are deteriorating "at an alarming rate."

It noted that half the 257 locks operated by the Army Corps of Engineers on inland waterways are functionally obsolete, more than one-quarter of the nation's bridges are structurally deficient or obsolete, and $11 billion is needed annually to replace aging drinking-water facilities.

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