BETTER ROADS
|
HIGWAYS, STRTEETS, BRIDGES ,& TRAFFIC SAFETY |
|
1998 BRIDGE INVENTORY |
|
EDITOR NOTE: In the United States today approximately 600,000 bridges are under review for safety. Of that number 30 percent or 178,092 are considered substandard, ready for repair, replacement or reconditioning. The table below is by state. |
|
Better Roads has reported annually the state of the nations bridges since 1979. Our thanks to all the state highway engineers for their continuing cooperation and special effort to provide current data. To see the previous year FHWA, in consultation with the States, has assigned a sufficiency rating (SR) to each bridge (20 ft. or more) inventoried. Formula (SR) rating factors are as outlined in the current "recording and Coding Guide for Structures Inventory and Appraisal (SI&A) of the Nation's Bridges." Information current through October 1998. |
|
State |
Total Inter & State Bridges |
|
Total Sub Standard |
Per cent |
|
Total City County Town Ship |
|
Total Sub Standard |
Per cent |
|
Total all Bridges |
|
Combined Total Sub Standard |
|
|
Alabama |
5,529 |
|
1,356 |
25% |
|
10,049 |
|
3,364 |
33% |
|
15,578 |
|
4,720 |
30% |
|
Alaska |
782 |
|
175 |
22% |
|
135 |
|
45 |
33% |
|
917 |
|
220 |
24% |
|
Arizona |
4,254 |
|
147 |
3% |
|
2,341 |
|
211 |
9% |
|
6,595 |
|
358 |
5% |
|
Arkansas |
6,941 |
|
1,109 |
16% |
|
5,405 |
|
2,048 |
38% |
|
12,346 |
|
3,157 |
26% |
|
California |
12,037 |
|
1,746 |
15% |
|
12,101 |
|
2,681 |
22% |
|
24,138 |
|
4,427 |
18% |
|
Colorado |
3,709 |
|
588 |
16% |
|
4,471 |
|
793 |
18% |
|
8,180 |
|
1,381 |
17% |
|
Connecticut |
2,900 |
|
148 |
5% |
|
1,234 |
|
226 |
18% |
|
4,134 |
|
374 |
9% |
|
Delaware |
783 |
|
166 |
21% |
|
7 |
|
4 |
57% |
|
790 |
|
170 |
22% |
|
Dist. Columbia |
202 |
|
74 |
37% |
|
12 |
|
7 |
58% |
|
214 |
|
81 |
38% |
|
Florida |
6,237 |
|
1,525 |
24% |
|
4,737 |
|
1,539 |
32% |
|
10,974 |
|
3,064 |
28% |
|
Georgia |
5,827 |
|
1,034 |
18% |
|
8,540 |
|
2,517 |
29% |
|
14,367 |
|
3,551 |
25% |
|
Hawaii |
734 |
|
371 |
51% |
|
396 |
|
172 |
43% |
|
1,130 |
|
543 |
48% |
|
Idaho |
1,249 |
|
262 |
21% |
|
2,249 |
|
430 |
19% |
|
3,498 |
|
692 |
20% |
|
Illinois |
8,053 |
|
2,178 |
27% |
|
17,552 |
|
3,686 |
21% |
|
25,605 |
|
5,864 |
23% |
|
Indiana |
5,593 |
|
871 |
16% |
|
12,426 |
|
3,789 |
30% |
|
18,019 |
|
4,660 |
26% |
|
Iowa |
4,036 |
|
484 |
12% |
|
21,118 |
|
6,672 |
32% |
|
25,154 |
|
7,156 |
28% |
|
Kansas |
5,158 |
|
1,141 |
22% |
|
20,923 |
|
6,134 |
29% |
|
26,081 |
|
7,275 |
28% |
|
Kentucky |
9,021 |
|
2,790 |
31% |
|
4,606 |
|
1,808 |
39% |
|
13,627 |
|
4,598 |
34% |
|
Louisiana |
7,928 |
|
2,389 |
30% |
|
5,760 |
|
2,521 |
44% |
|
13,688 |
|
4,910 |
36% |
|
Maine |
1,946 |
|
560 |
29% |
|
314 |
|
186 |
59% |
|
2,260 |
|
746 |
33% |
|
Maryland |
2,699 |
|
672 |
25% |
|
2,039 |
|
702 |
34% |
|
4,738 |
|
1,374 |
29% |
|
Massachusetts |
3,449 |
|
1,378 |
40% |
|
1,529 |
|
585 |
38% |
|
4,978 |
|
1,963 |
39% |
|
Michigan |
4,292 |
|
1,645 |
38% |
|
6,421 |
|
2,933 |
46% |
|
10,713 |
|
4,578 |
43% |
|
Minnesota |
3,453 |
|
415 |
12% |
|
9,226 |
|
1,742 |
19% |
|
12,679 |
|
2,157 |
17% |
|
Mississippi |
5,283 |
|
1,668 |
32% |
|
11,117 |
|
5,857 |
53% |
|
16,400 |
|
7,525 |
46% |
|
Missouri |
9,568 |
|
2,752 |
29% |
|
13,278 |
|
6,194 |
47% |
|
22,846 |
|
8,946 |
39% |
|
Montana |
2,541 |
|
322 |
13% |
|
1,837 |
|
584 |
32% |
|
4,378 |
|
906 |
21% |
|
Nebraska |
3,456 |
|
321 |
9% |
|
12,265 |
|
4,525 |
37% |
|
15,721 |
|
4,846 |
31% |
|
Nevada |
1,007 |
|
58 |
6% |
|
373 |
|
55 |
15% |
|
1,380 |
|
113 |
8% |
|
New Hampshire |
1,419 |
|
347 |
24% |
|
911 |
|
469 |
51% |
|
2,330 |
|
816 |
35% |
|
New Jersey |
2,385 |
|
565 |
24% |
|
3,931 |
|
1,361 |
35% |
|
6,316 |
|
1,926 |
30% |
|
New Mexico |
2,940 |
|
966 |
33% |
|
658 |
|
270 |
41% |
|
3,598 |
|
1,236 |
34% |
|
New York |
7,769 |
|
2,292 |
30% |
|
11,728 |
|
5,599 |
48% |
|
19,497 |
|
7,891 |
40% |
|
North Carolina |
17,140 |
|
5,837 |
34% |
|
620 |
|
180 |
29% |
|
17,760 |
|
6,017 |
34% |
|
North Dakota |
1,097 |
|
80 |
7% |
|
3,451 |
|
1,179 |
34% |
|
4,548 |
|
1,259 |
28% |
|
Ohio |
11,555 |
|
3,542 |
31% |
|
18,721 |
|
8,852 |
47% |
|
30,276 |
|
12,394 |
41% |
|
Oklahoma |
7,385 |
|
1,523 |
21% |
|
15,517 |
|
8,102 |
52% |
|
22,902 |
|
9,625 |
42% |
|
Oregon |
2,628 |
|
572 |
22% |
|
3,824 |
|
746 |
20% |
|
6,452 |
|
1,318 |
20% |
|
Pennsylvania |
16,317 |
|
6,186 |
38% |
|
6,869 |
|
3,071 |
45% |
|
23,186 |
|
9,257 |
40% |
|
Rhode Island |
603 |
|
362 |
60% |
|
148 |
|
97 |
66% |
|
751 |
|
459 |
61% |
|
South Carolina |
8,186 |
|
1,660 |
20% |
|
846 |
|
343 |
41% |
|
9,032 |
|
2,003 |
22% |
|
South Dakota |
1,791 |
|
137 |
8% |
|
4,141 |
|
1,321 |
32% |
|
5,932 |
|
1,458 |
25% |
|
Tennessee |
7,373 |
|
1,672 |
23% |
|
11,828 |
|
3,311 |
28% |
|
19,201 |
|
4,983 |
26% |
|
Texas |
32,000 |
|
5,800 |
18% |
|
16,900 |
|
7,900 |
47% |
|
48,900 |
|
13,700 |
28% |
|
Utah |
1,718 |
|
604 |
35% |
|
935 |
|
395 |
42% |
|
2,653 |
|
999 |
38% |
|
Vermont |
1,072 |
|
329 |
31% |
|
1,578 |
|
688 |
44% |
|
2,650 |
|
1,017 |
38% |
|
Virginia |
11,266 |
|
3,445 |
31% |
|
1,098 |
|
403 |
37% |
|
12,364 |
|
3,848 |
31% |
|
Washington |
3,113 |
|
753 |
24% |
|
4,067 |
|
870 |
21% |
|
7,180 |
|
1,623 |
23% |
|
West Virginia |
6,413 |
|
2,657 |
41% |
|
154 |
|
114 |
74% |
|
6,567 |
|
2,771 |
42% |
|
Wisconsin |
4,769 |
|
666 |
14% |
|
8,552 |
|
2,014 |
24% |
|
13,321 |
|
2,680 |
20% |
|
Wyoming |
1,937 |
|
126 |
7% |
|
854 |
|
331 |
39% |
|
2,791 |
|
457 |
16% |
|
Total |
279,543 |
|
68,466 |
|
|
309,792 |
|
109,626 |
|
|
589,335 |
|
178,092 |
|
|
reprinted from the November 1998 issue of Better Roads Magazine |
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