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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.
“The Advance”2 pages
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action as urging the adoption by the States of mandatory standards, or the enactment of Federal legislation applicable to all highway bridges. 3. The Secretary of Transportation consider the advisability of proposing a program of Federal aid to ensure the adequate repair of all bridges not in the Federal-Aid-System. BY THE NATIONAL TRANSPORTATION SAFETY BOARD: /s/ JOHN H. REED Chairman /s/ OSCAR M. LAUREL Member /s/ FRANCIS H. McADAMS Member /s/ LOUIS M. THAYER Member /s/ ISABEL A. BURGESS Member Adopted: December 16, 1970
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.