. Railroad structures and estimates . r abut Backfill Handrail 300,000 lb. 1,800 14 240 9,750 7202,0005,400620450300810 45 354,070 240,000 lb. 1,800 14 240 7,800 7202,2005,400620450300740 45 353,690 410,000 lb. 1,584 59 528 13,320 6302,3405,800680500300970 191 794,990 324,000 lb. 1,584 59 528 10,5

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. Railroad structures and estimates . r abut Backfill Handrail 300,000 lb. 1,800 14 240 9,750 7202,0005,400620450300810 45 354,070 240,000 lb. 1,800 14 240 7,800 7202,2005,400620450300740 45 353,690 410,000 lb. 1,584 59 528 13,320 6302,3405,800680500300970 191 794,990 324,000 lb. 1,584 59 528 10,530 630 2,480 5,800 680 500 300 Paving on br Paving on R. of W. but off on W. but off br Eng. and cont 900 191 794,410 Totals 24,200 22,000 29,800 26,500 114 HIGHTVAY BRIDGES. Steel highway bridges \\-ith three spans with intennediatesupports between tracks are illustrated below, over two, fourand sLx railway tracks, for van-ing conditions, and the costs ofthe various structures are given in Table 58, page T^ = ES F2, ELEVATION, 2 TKAC-k 5Cr.£M£

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