. Baltimore and Ohio railroad corporate histories .. . required twenty-four and a halfyears to fully realise the project* The completion of this last portion was as uapre -oedented feat from an engineering standpoint, passing as itdid through th* roughest of mountain country with heavy grades,numerous tunnels and heavier work than any that had been pre-viously undertaken* On this line there were elaven tunnels,one of which was 4100 feet long, and one hundred and thirteenbridges, one of whioh, at Pairsont, had a total length of 650feet and was the longest iron bridge in America. The following c
. Baltimore and Ohio railroad corporate histories .. . required twenty-four and a halfyears to fully realise the project* The completion of this last portion was as uapre -oedented feat from an engineering standpoint, passing as itdid through th* roughest of mountain country with heavy grades,numerous tunnels and heavier work than any that had been pre-viously undertaken* On this line there were elaven tunnels,one of which was 4100 feet long, and one hundred and thirteenbridges, one of whioh, at Pairsont, had a total length of 650feet and was the longest iron bridge in America. The following comparisons are of interestt Estimated coot is 1827 $6,000,000 Actual cost to 186S 816,600,000Total cost,including traek^sbaw tions,branches,aBd rolling stock to 1853 £0,000,000Estimated length to Ohio River in 1827 290 miles Actual length to Wheeling in 186S 379 miles Estimated annual revenues in 1827 ft 750,000 Actual annual revenues in 1862 $1,326,563 Actual annual revenues in 1854 #3,645,609 d cri > CQ QUJif) h- DO zex z>»- Q UJ >o a 2. FOBETOBD ft* the construction of the read from Baltimore toFaint of Rocks* several Methods of const* notion, suggested ei-ther by ssienee «r experience, had besa tested, and the engi-neers ted to solve for theueclve* noet of the problem per-taining to railroad constructice, one of whieh, the deeign ofthe track structure, toed many varied solutiono: the graniteend iron! the wood and iron, on etone blocks, the wood endiron on wooden sleepers, supported by broken etone; the easesupported by longitudinal ground-sills in place of brokenstones; the log-rail, fomed of trunk* of trees, worked to asurface on one aide to receive the iron* and supported by wood-en sleepers; and the wrought-iren rails of the English ■ode -these had all boon tried out and as early as 1852 famed dif-ferent portions of track la use* It has been said, Brestcredit is therefor dne to the engineers and workaeo of thisroad, for the patience displayed in carrying co
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectrailroa, bookyear1922
