38 
BULLETIN 1279, U. S. DEPARTMENT OF AGRICULTURE 
Table 11. — Rural road mileage by types and highway systems as existing January 1 
1922, and mileage of each type built during 1921 in each State — Continued 
MISSISSIPPI 
State roads 
County roads 
All rural roads 
Type 
Total 
Jan. 1, 
19221 
Built 
1921 
Total 
Jan. 1, 
1922 
Built 
1921 
Total 
Jan. 1, 
1922 
Built 
1921 
Unimproved earth 
Miles 
Miles 
Miles 
33, 306. 2 
13, 176. 9 
650.0 
364.3 
4, 678, 4 
102.2 
82.1 
7.1 
16.0 
120.3 
1.1 
3.0 
Miles 
2 0.5 
769.9 
Miles 
33, 306. 2 
13, 176. 9 
857.5 
364.3 
5, 016. 9 
106.5 
82.1 
7.1 
16.0 
137.7 
6.1 
7.2 
Miles 
2 0.5 
Partly graded and drained earth 
769.9 
Earth to definite grade with permanent 
drainage structures 
207.5 
139.2 
139.2 
Sand-clay ■_ 
82.3 
977.2 
59.0 
1.5 
82.3 
Gravel 
338.5 
4.3 
221.1 
4.3 
1, 198. 3 
Waterbound macadam 
63.3 
Surf ace- treated macadam 
1.5 
Bituminous macadam. 
Bituminous concrete 
5.5 
16.4 
0.1 
5.5 
Portland cement concrete 
17.4 
5.0 
4.2 
13.6 
5.0 
4.2 
30.0 
Brick 
5.1 
Miscellaneous 
4.2 
Total 
576.9 
387.4 
52, 507. 6 
1, 912. 4 
53, 084. 5 
2,299.8 
1 Includes only mileage actually constructed and taken over by State. 
3 New roads laid out but not improved. 
MISSOURI 
State roads 
County roads 
All rural roads 
Type 
Total 
Jan. 1, 
1922- 
Built 
1921 
Total 
Jan. 1, 
• 1922 
Built 
1921 
&t ! S 
1922 1921 
Unimproved earth 
Miles 
Miles 
Miles 
52, 818. 3 
43, 000. 
1, 000. 
1, 755. 3 
3, 932. 
1, 213. 8 
56.0 
79.2 
1.0 
5.6 
10.8 
6.5 
Miles 
Miles 
52, 818. 3 
Miles 
Partly graded and drained earth 
5, 856. 7 
965.6 
139.8 
48, 856. 7 
139.8 
Earth to definite grade with permanent 
drainage structures 
296.5 
1, 965. 6 296. 5 
1, 755. 3 
4, 510. 2 
Gravel 
578.2 
115.4 
256.1 
6.8 
66.0 
7.0 
322.1 
Waterbound macadam 
1, 329. 2 13. 8 
Surface-treated macadam 
56.0 
Bituminous macadam 
25.0 
8.1 
17.0 
1.0 
3.3 
104.2 
1.0 
11.4 
103.1 
9.9 
25.1 
Sheet asphalt 
1.0 
Bituminous concrete 
5.8 
92.3 
3.4 
0.4 
71.0 
3.4 
3.7 
70.5 
Brick 
3.4 
Total 
7, 642. 4 
642.3 
103, 878. 5 
233.6 
111, 520. 9 
875.9 
