CHAPTER VIII. COST OF THE WORK. THE cost of the bridge across the river, and of the approaches, as well as of the works incidental to its protection, and necessary to secure the perma- nency of the channel at this point, have been as follows to date (July 1, 1870) : BRIDGE ACROSS THE RIVER. ~ FOUNDATIONS. Foundation South Abutment, on Rock..........-..... eee eeee $458 51 ¢ Shore pillars, | Mabe po eee ss en eaeusengas 100 00 “ Pier No. 1, Cpa e wees ei reves csssceeese 14,184 85 “ No. 2 (Pivot), “© 1... csceececcccscoeveees 22,214 00 “ “« No. 3, Seas bbossbnao es saan ess on 26,150 30 “6 “ No. 4, ee etre 79,695 17 “ * No. 5, piles to rock, 1... eee eee cece eee eee eee 37,873 05 “ « No.6, onpiles, .......... er rrrn 15,654 00 North Abutment, “ cc e eee cee eee eee eee 4,707 64 MASONRY. 6,612 Cubic yards in Piers and Abutments.............0eeeeese $116,023 10 3,102 “ «Concrete in foundations..............0.0--6- 31,470 00 352“ “Rubble Masonry in foundation...........+.00+ 3,168 90 5,795 = “ Riprap around Piers..........cceesceeeceees 24,429 75 DRAW PROTECTION. Crib, upper draw rest, below low-water line.............ee- ee eees $14,109 81 Caisson, lower draw rest, ‘ °“ enw eee atenwsses 15,013 70 Upper works of above and intermediate cribs and trusses.......... 54,006 58 Pontoon protection for boats at Pier No. 1 .....e eee eee eee eee 13,207 53 $201,037 52 $175,091 75 - $96,337 62 Brought forward... ......ccee cece cece eee reece ence e eee teneneeeee $472,466 89