Table 1-7: Road Bridge Condition: 2005

Table 1-7: Road Bridge Condition: 2005

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State All bridges
(number)
Structurally deficient
(number)
Functionally obsolete
(number)
Total, structurally deficient and functionally obsolete
(number) (percent)
Alabama 15,703 2,248 2,240 4,488 28.6
Alaska 1,172 158 200 358 30.5
Arizona 7,173 162 558 720 10.0
Arkansas 12,477 1,143 1,876 3,019 24.2
California 23,171 2,876 3,655 6,531 28.2
Colorado 8,253 571 833 1,404 17.0
Connecticut 4,168 340 1,048 1,388 33.3
Delaware 849 42 88 130 15.3
District of Columbia 245 23 132 155 63.3
Florida 11,527 327 1,749 2,076 18.0
Georgia 14,490 1,179 1,791 2,970 20.5
Hawaii 1,104 160 354 514 46.6
Idaho 4,060 318 435 753 18.5
Illinois 25,803 2,456 1,890 4,346 16.8
Indiana 18,273 2,007 2,038 4,045 22.1
Iowa 24,846 5,232 1,607 6,839 27.5
Kansas 25,511 3,137 2,526 5,663 22.2
Kentucky 13,501 1,282 2,822 4,104 30.4
Louisiana 13,344 1,947 2,253 4,200 31.5
Maine 2,370 347 475 822 34.7
Maryland 5,021 406 997 1,403 27.9
Massachusetts 4,919 599 1,973 2,572 52.3
Michigan 10,872 1,772 1,258 3,030 27.9
Minnesota 12,989 1,140 446 1,586 12.2
Mississippi 16,900 3,220 1,289 4,509 26.7
Missouri 23,883 4,826 3,139 7,965 33.4
Montana 4,922 511 507 1,018 20.7
Nebraska 15,457 2,488 1,376 3,864 25.0
Nevada 1,632 50 146 196 12.0
New Hampshire 2,361 320 424 744 31.5
New Jersey 6,445 838 1,503 2,341 36.3
New Mexico 3,836 407 317 724 18.9
New York 17,338 2,114 4,396 6,510 37.5
North Carolina 17,512 2,301 2,824 5,125 29.3
North Dakota 4,477 771 252 1,023 22.9
Ohio 28,058 2,987 4,019 7,006 25.0
Oklahoma 23,383 6,938 1,462 8,400 35.9
Oregon 7,238 697 1,175 1,872 25.9
Pennsylvania 22,291 5,532 4,028 9,560 42.9
Rhode Island 749 194 219 413 55.1
South Carolina 9,202 1,274 827 2,101 22.8
South Dakota 5,961 1,229 346 1,575 26.4
Tennessee 19,763 1,407 3,045 4,452 22.5
Texas 49,226 2,385 7,879 10,264 20.9
Utah 2,821 246 256 502 17.8
Vermont 2,701 455 474 929 34.4
Virginia 13,248 1,192 2,198 3,390 25.6
Washington 7,600 434 1,646 2,080 27.4
West Virginia 6,913 1,073 1,503 2,576 37.3
Wisconsin 13,687 1,460 802 2,262 16.5
Wyoming 3,028 400 227 627 20.7
United States, total 592,473 75,621 79,523 155,144 26.2
U.S. total (incl. Puerto Rico) 594,616 75,871 80,306 156,177 26.3

NOTE: Some discrepancies exist between the total number of bridges reported in tables 1-5, 1-6, and 1-7 because of bridges not identified in one or more of the variables and other anomalies.

SOURCE: U.S. Department of Transportation, Federal Highway Administration, National Bridge Inventory: Deficient Bridges by State and Highway System, Washington, DC: 2006, available at http://www.fhwa.dot.gov/bridge/britab.htm as of Oct. 3, 2006.