TABLE 2-6b Rural Bridge Condition by Functional Class: 2003

TABLE 2-6b Rural Bridge Condition by Functional Class: 2003

Number

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  Structurally deficient Functionally obsolete All rural bridges
Interstates 1,179 3,214 27,763
Other principal arterials 1,931 3,292 35,810
Minor arterials 3,395 4,415 40,233
Major collectors 11,094 9,966 93,932
Minor collectors 6,772 5,560 49,288
Local roads 43,020 24,543 208,499
Total 67,391 50,990 455,525

NOTES: Structurally deficient refers to bridges needing significant maintenance attention, rehabilitation, or replacement. Functionally obsolete refers to bridges that do not have the lane widths, shoulder widths, or vertical clearances adequate to serve traffic demand or bridges that may not be able to handle occasional roadway flooding.

SOURCE: U.S. Department of Transportation, Federal Highway Administration, Office of Engineering, Bridge Division, National Bridge Inventory Database, CD-ROM, January 2005.