|
|
 |
 |
Table 1
Bridge Conditions by Functional Class: 1999
Excel | CSV
| Rural |
|
|
|
|
|
|
| Interstates |
23,021 |
84 |
1,098 |
4 |
3,395 |
12 |
| Other principal arterials |
29,317 |
83 |
2,305 |
7 |
3,734 |
11 |
| Minor arterials |
30,656 |
79 |
3,581 |
9 |
4,612 |
12 |
| Major collectors |
73,354 |
77 |
11,979 |
13 |
10,315 |
11 |
| Minor collectors |
34,468 |
72 |
7,158 |
15 |
5,928 |
12 |
| Local roads |
136,099 |
65 |
49,332 |
23 |
24,851 |
12 |
| Rural total |
326,915 |
72 |
75,453 |
17 |
52,835 |
12 |
| Urban |
|
|
|
|
|
|
| Interstates |
20,233 |
73 |
1,692 |
6 |
5,805 |
21 |
| Other freeways and expressways |
11,457 |
73 |
928 |
6 |
3,347 |
21 |
| Other principal arterials |
16,037 |
67 |
2,424 |
10 |
5,431 |
23 |
| Minor arterials |
14,126 |
62 |
2,576 |
11 |
5,992 |
26 |
| Collectors |
9,313 |
62 |
1,959 |
13 |
3,708 |
25 |
| Local roads |
17,141 |
68 |
3,388 |
13 |
4,782 |
19 |
| Urban total |
88,307 |
68 |
12,967 |
10 |
29,065 |
22 |
| Rural and urban total |
415,222 |
71 |
88,420 |
15 |
81,900 |
14 |
SOURCE:
U.S. Department of Transportation, Federal Highway Administration, Office of Engineering, Bridge Division, National Bridge Inventory database, available at http://www.fhwa.dot.gov/bridge/britab.htm, as of Oct. 27, 2000.
|
 |