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Bridge Conditions
| Conditions | NHS 1/ Number | % | Other FA 2/ Number | % | Non-FA 3/ Number | % | Total Number |
% |
|---|---|---|---|---|---|---|---|---|
| Structurally Deficient | 8,177 | 6.3 | 20,095 | 11.7 | 59,878 | 21.1 | 88,150 | 15.0 |
| Functionally Obsolete | 21,712 | 16.7 | 24,627 | 14.3 | 35,561 | 12.6 | 81,900 | 14.0 |
| Non-Deficient or Obsolete | 100,335 | 77.0 | 127,449 | 74.0 | 187,708 | 66.3 | 415,492 | 71.0 |
| Total | 130,224 | 100 | 172,171 | 100 | 283,147 | 100 | 585,542 | 100 |
Note: FA = Federal-aid
1/ Includes all Interstate and other principal arterials.
2/ Includes all other highways except minor collectors and local roads and streets.
3/ Includes rural minor collectors and local roads and streets.
Source: Federal Highway Administration, Office of Engineering, National Bridge Inventory Data.
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