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The Silver Bridge collapsed on December 15, 1967, after a fracture in the lower limb of the eye of eye-bar 330 at joint C13N of the north eye-bar suspension chain in the Ohio side span. The National Transportation Safety Board found that the collapse resulted from a cleavage fracture caused by a critical size flaw that developed over the forty-year life of the structure through the joint action of stress corrosion and corrosion fatigue.
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Kanauga, Ohio · United States
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The Silver Bridge Disaster
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The Silver Bridge Disaster / Silver Bridge Memorial
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Silver Bridge Collapse and Creation of National Bridge Inspection Standards (NBIS)
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Seventh Street
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Silver Bridge Collapse and Creation of National Bridge Inspection Standards (NBIS)
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Silver Bridge Collapse
Science & Tech
