United States Department of Transportation

Table 1 - Bridge Conditions by Functional Class: 2000

Monday, September 10, 2012

Type of roadway	Not deficient		Structurally deficient		Functionally obsolete
Type of roadway	Number	Percent	Number	Percent	Number	Percent
Rural
Interstates	23,277	84	1,108	4	3,195	12
Other principal arterials	30,113	84	1,963	6	3,564	10
Minor arterials	31,614	80	3,401	9	4,668	11
Major collectors	73,834	77	11,638	12	10,266	11
Minor collectors	35,499	74	6,830	14	5,454	12
Local roads	138,960	66	45,941	22	24,965	12
Rural total	333,297	73	70,881	16	52,112	11
Urban
Interstates	20,438	73	1,757	6	5,679	21
Other freeways and espressways	11,759	73	985	6	3,368	21
Other principal arterials	16,876	68	2,413	10	5,513	22
Minor arterials	14,586	63	2,497	11	6,072	26
Collectors	9,735	63	1,828	12	3,839	25
Local roads	17,897	69	3,215	12	4,927	19
Urban total	91,291	68	12,695	10	29,398	22
Rural and urban total	424,588	72	83,576	14	81,510	14

SOURCE: U.S. Department of Transportation, Federal Highway Administration, Office of Bridge Technology, National Bridge Inventory database, available at http://www.fhwa.dot.gov/bridge/britab.htm, as of December 2000.