One of the deadliest bridge catastrophes in modern history struck in West Virginia on Dec. 15, 1967, when the 2,200-foot Silver Bridge in Point Pleasant, amid rush-hour traffic, collapsed into the Ohio River.

The disaster, which killed 46 people, was triggered by a stress crack in one link of a chain of steel eyebars supporting the bridge from above.

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Mike Tony covers energy and the environment. He can be reached at 304-348-1236 or Follow on Twitter.