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Collapse of U.S. 35 Highway Bridge, Point Pleasant, West Virginia, December 15, 1967 (HAR-71/01)

National Transportation Safety Board · 1970-12-16 · 202 pages · text by GLM-OCR

This is the final highway accident report (NTSB-HAR-71-1) from the National Transportation Safety Board, adopted in December 1970. It covers the collapse of the U.S. 35 bridge between Point Pleasant, West Virginia, and Kanauga, Ohio, on December 15, 1967, which killed 46 people. The Board found that the cause was a cleavage fracture in eyebar 330 at joint C13N. That fracture grew from a flaw produced over 40 years by stress corrosion and corrosion fatigue, in a spot that could not be seen or found by inspection.

  • p. 139 …Slutter, R. G.; "Silver Bridge Eyebar Test: Stress Concentration Factors," Letter Report, Lehigh University to Modjeski…

Read from the scan by GLM-OCR; expect the odd misread word.

APPENDIX A

S. S. EYEBAR	HH3 S. Cussel R of U5 BPR	HH2 N. Cussel R of U3 BPR	U3	U5	Guess R U5 NR	BPR HHI	L6	L7
U0 N. S. EYEBAR
L0

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Document, cited by the archive. The PDF is mirrored here; the original link is above. The text was read from the page images by GLM-OCR; expect the odd misread word. 202 pages are in the text index: search them above, or from the library's search.