Vosburgh v. Lake Shore & Michigan Southern Railway Co.

94 N.Y. 374, 1884 N.Y. LEXIS 279
New York Court of Appeals·Decided January 15, 1884·Published·Cited by 8 cases

Opinion

Finch, J.

The plaintiff was a bralceman in the employ of the defendant company, and was injured by the fall of the bridge at Ashtabula on the 29th of December, 1876. He has recovered a judgment for damages, which is now sought to be reversed, upon the ground that there was no sufficient proof of negligence to carry the case to the jury. The bridge was built of iron, and spanned a gulf leading inland from the lake, and growing narrower as it approached the point of crossing. It was a deck bridge, constructed upon what is known as the Howe truss plan, frequently applied in the building of wooden bridges, but apparently in this one instance alone, made wholly of iron. It was originally constructed in 1864, by the Cleveland, Painesvilie and Ashtabula Railroad Company, a predecessor of the present defendant. The history of its construction is not encouraging. The superstructure was planned by Amasa Stone, who appears to have had a large experience in the designing and construction of railroad bridges, and at the time was president of the company for which the bridge was to be erected. Stone, however, merely “ directed the method of making the plans,” “ and the method of carrying it out,” “in general terms through agents and practical employes.” He employed one Tomlinson “ to make the design and draft of the structure, and the specifications and details.” With reference to his capacity, Stone says only that he had been in his employ for about fifteen years, “ more or less in the erection of some bridges,” and that he regarded him as competent to execute the work under his, Stone’s, “ general directions.” But Tomlinson evidently bungled his work, making the top chords too short, and planning to put in the braces with their webs hori *377 zontal instead of vertical; errors which so “ annoyed” Stone that he intimated to him that his resignation would be accepted, and put- another man in charge.” Who that was and what may have been his capacity we are not informed. These errors liad to be corrected. In doing it, the top chords were elongated by inserting between their members thin plates of iron, called shim pieces, held in their places merely by the dead weight of the bridge and the loads upon it; the office of the top chords and braces under them being mainly to resist compression. When the position of the braces was altered, a few more were added, and this change compelled the chipping away of the lugs on the angle blocks in order to give the braces a fair bearing, and then some of. them, crowded by the vertical rods, did not rest fully upon the angle blocks. The iron work for the bridge was done by Congdon, whose principal business appears to have been the construction and repair of locomotives, and who held the position of master mechanic.

The superstructure was put together and erected by one Rogers, who was a carpenter. The result which followed was not surprising. The bridge was put in its place and its members united by the aid of bents built up from the ground below, and when the blocks upon them were removed, the bridge sagged below a horizontal line. That occurred twice. The difficulty was sought to be remedied the first time by the lengthening of the top chords, which proved ineffectual, and the second time by the change 'in the braces. After that the top chords seem to have preserved their camber of two and one-half inches, and the bridge went into use, at first with a single track and later with a double track, and stood for about ten years, until its fall in 1876.

Upon all these questions of original plan and construction experts were examined. Their opinions differed, as is very common in such cases. But upon two things they agreed. Nobody disputed the mechanical axiom that the strength of a bridge is that of its weakest part, nor the rule of prudence that its factor of safety should have been five, when in truth it was only about three; that is, the bridge should have been *378 five times as strong as its breaking weight under expected loads, but was only of about three times that strength.- As to other alleged defects—in the yoking of the main braces, so that each I beam acted independently instead of solidly as one ; in the insufficiency of the lateral bracing; and the alleged movement or change of position of the braces upon the anchor-blocks — there was much difference of opinion and considerable contradiction in the evidence.

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Vosburgh v. Lake Shore & Michigan Southern Railway Co., 94 N.Y. 374, 1884 N.Y. LEXIS 279 (N.Y. 1884).

94 N.Y. 374 (Vosburgh v. Lake Shore & Michigan Southern Railway Co.) — published by Counsel Stack Legal Research, free access to 12M+ legal documents.

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