Washington Roebling Delaware bridge design
- - A SUSPENSION BBIDQE five hundred aud twenty - six feet in length, which now being constructed irom plans drawn by Washington A. Boebling. It is a wire bridge, and tbrte Bpans. Tne cables are composed of three made of eteel wire, each rope being one and five - of an inch in diameter, and secured by being anchored in piers of solid masonry forty - nine feet deep the New Jersey and tbirty - eight on the Pennsylvania Bide. The bottom of the bridge will be thirty - feet above low water mark. On the towers, over tops of which the cable runs, are iron saddles, and total average height of eaoh of th.i towers above water will be forty nine feet, From the top of the ers there will also bo a number of iron ropes or which are to be fastened to the bottom of the and will at least sustain one - half of the strain it may called upon to bear. The railing along eaoh side be four feet high, composed of upright iron rods, lattice - work between. The flooring conBists of two era of planke, the bottom one of homlock and the of oak, with a coating of pitch between. Is is estimated estimated that it will sustain a load of four hundred tons, much greater task, of course, than thora Is ever probability of Hb being called upon to perfoim. on it waB commenced about the middle of April, tbe bridge will be opened for travel on the first of tember. Although the plans wero drawn by Colonel BoefelIng,the werk bas been carried on under Ihe superintendence Mr. David S. Bhule and Mr. John C. Mott, the of whom was with tho late John A. Ropbling when built the Niagara and other famous suspension bridges and aa eoon as tbe bridge here is completed he leave for Brooklyn to act under Col. Roebhng'a order in tbe building of the East Biver Bridge. Tbe Roeblings are also building three other wire pension bridges in this part of the country. One is a place called Pond Eddy on the Erie Boad, about miles from this place. It is to be five hundred feet length and will contain two spans. Tho other is Carpenter's Point, one mile trom Port Jervis on Erie Boad. It will contain only one span of one hun dred and ihlrfy - six feet in length. Both bridges be finished by the 1st of January and are being from plans drown by Col Boebhng. The third is to be built ot Hancock, N. Y., a station on the Erie Boad. There will be a single span of hundred feet, Work on this bridge has not yet been commenced, but the plans for its constructon have already been prepared by CoL Eocbllng.