OFFICE OP PUBLIC EOADS. 73 S 



were excavated. The maximum grade of 8 per cent was about 50 feet in length 

 and was reduced to 4.5 per cent. The work was done with a grader, jrtows, and 

 slips, with a maximum haul of 200 feet. The cost was 7.4 ceuts per cubic yard 

 or 0.5 cent per square j-ard. The total cost was, therefore, $87 for the mile 

 completed. The work comprised 17,600 square yards. 



Central City, Nebr. — A mile of road at Central City, running north toward 

 Fullerton, was begun on August 19, 1910, and completed on September 7, 1910. 

 Three thousand one hundred and eight cubic yards of material were excavated. 

 The local authorities furnished for this work one elevating road grader, one 

 blade grader, two Fresno scrapers, three slip scrapers, one turning plow, one 

 spike-tooth harrow, and one 3-ton concrete roller, besides small tools and dump^ 

 wagons. The grade was reduced from 6 to 2.5 per cent and the excavation cost 

 12.34 cents per cubic yard. The graded road was 36 feet wide throughout, with 

 a finished weariug surface of 20 feet. One reinforced concrete box culvert, 2 

 feet by 2 feet by 24 feet, was built. The items of the concrete work were a» 

 follows : Cement, $16.65 ; sand, $5 ; lumber for forms, $13.35 ; broken stone, 

 $5.25; steel rods aud nails, $6.60; hauling the material. $5.50: and labor, $29; 

 making a total of $81.35. An additional length of 15 feet of 15-inch metal corru- 

 gated pipe was placed, at a total cost of $18.75. The cost of rolling the road 

 was $30.90, and the finished surface was given a crown of three-fourths inch to 

 the foot. 



Based on a labor cost of $2 a day for nine hours, and teams at $4 per day, the 

 total cost of this road to the community was $554.05, which is at the rate of 4.72 

 cents per square yard, or $554 per mile, inclusive of culverts. The work com- 

 prised 11,733 square yards. 



CoRDELL, Okla. — This work was on what is known as the Intercounty State 

 Road, running east, and was 24,000 feet in length. The work was begun on 

 July 16, 1910, and was finished on February 13, 1911. A total of 2,000 cubic 

 yards of rock aud 33,803 cubic yards of earth was moved, at an average price 

 per cubic yard of 17.3 cents, making a total cost of $6,200. The shaping cost 0.8 

 cent iier square yard, which, for 24,000 square yards, made a total cost of 

 $200.50. The grade was reduced from 15 to 6.6 per cent, and the maximum cut 

 on this work was 15 feet and the maximum fill 20 feet. The following culverts 

 were required : Five concrete arches 2A by 2A feet, two concrete arches 4 by 3* 

 feet, and two concrete twin arches having a total span of 23.5 feet each. It was 

 also necessary to construct one set of concrete abutments 20 feet high by 22 feet 

 long, concrete wing walls 20 feet high by 11 feet long, and two 24-inch corru- 

 gated-iron pipe culverts. The culverts required 750 barrels of cement, costing 

 $2.00 jier barrel, or $1,950. The gravel for the concrete was obtained from the 

 river bed at a cost of 5.98 cents per cubic yard, A total of 483.6 cubic yards of 

 concrete was used. A concrete mixer and road grader were available for the 

 work. 



The total cost of the road was $12,016.20, which is at the rate of 17.31 cents 

 per square yard, or $2,641 per mile. Prison labor cost 25 cents and county 

 teams 60 cents per nine-hour day. The work comprised 69,333 square yords, or 

 4.55 miles. 



CoRDELL, Okla. — This was a part of the Intercounty State Road running 

 west from Cordoll toward Dill. Work was begun on March 3, 1011, and was 

 finished on April 17, 1911. A total of 6,200 feet was graded, requiring 15,3.55 

 cubic yards of excavation at a cost of 1.5.3 cents per cubic y.ard, or $2,346.35 

 in all. Seven hundred and sixty cubic yards of rock also were excavated, at a 

 cost of 51.4 cents per cubic yard, making a total cost of $390.85. Three pipe 

 culverts were built at a cost of .$206.60. One 4-foot by 4-foot by 26-foot wood 

 culvert and two wooden bridges of 18 feet and 16 feet span, respectively, were 

 also constructed, the culvert at a cost of $14 and the two bridges at a cost of 

 $175.25. Other miscellaneous items of expense on this work, including moving 

 the prison camp, etc., amounted to $271 .,50. 



The total cost of the ro:ul to the conununity was $3,434.55, which is at the 

 rate of 18.2 cents per square yard, or $2,910 per mile. Prison labor cost 25 

 cents, and county teams 60 cents per day of 9 hours. The work comprised 

 18,890 square yards. 



DEMONSTRATION WORK. 



Medford, "Oreg, — This work was done under the auspices of the Crater Lake 

 Highway Commission, representing the Medford Commercial Club. At the 

 request of this Commission an engineer was sent to make a survey of the pro- 



