ROADS AND BRIDGES, JULY 1, 1913—DEC. 31, 1914. re 
erete work was $15.45 per cubic yard for 1382 cubic yards, and the reinforcement 
cost $34, making the total cost, exclusive of the 14-foot semicircular section of 
corrugated iron, $2,073.40. 
At station 45+-50 a concrete arch bridge was built of three 14-foot spans of 
semicircular corrugated-iron sections, with concrete abutments, piers, parapets, 
etc. The cost for the concrete work was $19.18 per cubic yard for the 195 
cubie yards. The reinforcement cost $42.50, and the removal of an old standing 
wall was $50, making the total cost for the structure, excluding the cost of the 
three 14-foot span corrugated-iron sections, amount to $3,822.85. 
At station 51+00 a 30-inch corrugated-iron culvert was built, 20 feet long, 
with concrete end walls. The cost of the 80-inch pipe delivered at St. Johns 
was $2.94 per linear foot. The cost of the concrete was $33.61 per cubie yard 
for the 4.5 cubic yards, making a total cost for the culvert of $210.05. 
The total cost for culverts and bridges was $6,970.70. Cement was $1.54 
per bag delivered at St. Johns. The contract price for excavation was $0.25 
per cubic yard for 6,280 cubic yards, or $1,570, and for surfacing it was $1.10 
per cubic yard for 880 cubic yards, or $968, which is $0.237 per square yard. 
The total cost of the road, including excavation, surfacing, and drainage 
structures, was $9,508.70, or $9,102.72 per mile. 
GATES County, SuNBuRY, N. C. (Srecrion 1).—Two sections of object-lesson 
road were constructed at Sunbury during the fiscal year, and will be described 
separately. Work was started on the first section, extending from Sunbury 
northward-toward Suffolk, on October 29, 1913, and completed December 2, 
1913, with a loss of two days on account of bad weather. The adjacent land 
is level and the natural soil is a sandy loam from the beginning to station 
5-+75; clay from 5+75 to 15700; sandy loam from 15+-00 to 20+00. A total 
length of 2,300 feet was graded 30 feet wide in cuts and 25 feet wide in fills. 
HKarth was excavated to the amount of 450 cubic yards, and the average haul 
was 150 feet, with a maximum haul of 200 feet. 
The road was surfaced for 850 feet to a width of 15 feet, making 1,416 
square yards. A topsoil type of construction was used, and the surfacing ma- 
terial was hauled an average distance of 1,700 feet from a pit and spread in 
one course to a depth varying from 10 to 12 inches before compacting. Ap- 
proximately 300 cubic yards of topsoil were placed, after which the entire 
width of the road was harrowed, dragged, and finished with a crown of three- 
fourths inch to the foot. The binding qualities of the material are good, but 
the wearing qualities are only fair. 
Cross drains of wood were built at stations 5+-75 and 10+00. 
The equipment consisted of a disk harrow, tooth harrow, plank drag, steel 
drag, drag scraper, two road graders, two plows, and a few carts. The total 
eost of the road was $382.09, and the principal items of cost were as follows: 
Clearing and grubbing, $85.18; rough grading, 6,980 square yards at $0.0092 
per square yard, $63.99; fine grading, 6,980 square yards at $0.00087 per square 
yard, $6.04; culvert excavation, 10 cubic yards at $0.495 per cubic yard, $4.95; 
cutting poles for culverts, 10 poles at $0.06 per pole, $0.60; building weodeu 
eulvert, $1.85; loosening and loading top soil, 300 cubic yards at $0.0491 per 
eubic yard, $14.75; hauling top soil, 300 cubic yards at $0.2047 per cubic yard, 
$61.42; spreading top soil, 800 cubic yards at $0.0172 per cubic yard, $5.16; 
excavating and spreading clay, 450 cubic yards at $0.2056 per cubie yard, 
$92.55; mixing topsoil, 2,890 square yards at $0.00202 per square yard, $4.83; 
compacting with tooth harrow, 4,400 square yards at $0.0006 per square yard, 
$2.64; trimming shoulders and ditches, $3.52; general expenses, $46.09; hauling 
