Table 1-7: Road Bridge Condition: 2011

Table 1-7: Road Bridge Condition: 2011

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State All bridges Structurally deficient Functionally obsolete Percent of State Bridges
Structurally deficient Functionally obsolete
Alabama 16,061 1,518 2,056 9.5 12.8
Alaska 1,156 131 119 11.3 10.3
Arizona 7,738 259 669 3.3 8.6
Arkansas 12,641 886 1,856 7.0 14.7
California 24,609 2,927 3,968 11.9 16.1
Colorado 8,551 582 798 6.8 9.3
Connecticut 4,200 390 1,023 9.3 24.4
Delaware 857 50 111 5.8 13.0
District of Columbia 245 32 127 13.1 51.8
Florida 11,986 273 1,557 2.3 13.0
Georgia 14,694 901 1,760 6.1 12.0
Hawaii 1,132 144 362 12.7 32.0
Idaho 4,164 371 411 8.9 9.9
Illinois 26,436 2,319 1,742 8.8 6.6
Indiana 18,640 2,043 1,896 11.0 10.2
Iowa 24,537 5,408 1,211 22.0 4.9
Kansas 25,233 2,742 1,852 10.9 7.3
Kentucky 13,948 1,282 2,975 9.2 21.3
Louisiana 13,153 1,637 1,998 12.4 15.2
Maine 2,402 342 379 14.2 15.8
Maryland 5,214 354 954 6.8 18.3
Massachusetts 5,099 517 1,970 10.1 38.6
Michigan 10,957 1,288 1,378 11.8 12.6
Minnesota 13,117 1,082 379 8.2 2.9
Mississippi 17,032 2,480 1,349 14.6 7.9
Missouri 24,286 3,783 2,937 15.6 12.1
Montana 5,097 386 480 7.6 9.4
Nebraska 15,395 2,757 974 17.9 6.3
Nevada 1,783 40 176 2.2 9.9
New Hampshire 2,423 364 382 15.0 15.8
New Jersey 6,514 656 1,632 10.1 25.1
New Mexico 3,932 322 314 8.2 8.0
New York 17,384 2,092 4,337 12.0 24.9
North Carolina 18,214 2,334 2,603 12.8 14.3
North Dakota 4,410 719 222 16.3 5.0
Ohio 27,403 2,654 3,727 9.7 13.6
Oklahoma 23,730 5,244 1,540 22.1 6.5
Oregon 7,353 448 1,175 6.1 16.0
Pennsylvania 22,320 5,563 3,749 24.9 16.8
Rhode Island 751 158 223 21.0 29.7
South Carolina 9,270 1,155 788 12.5 8.5
South Dakota 5,877 1,217 218 20.7 3.7
Tennessee 19,937 1,260 2,595 6.3 13.0
Texas 51,862 1,533 7,527 3.0 14.5
Utah 2,946 121 293 4.1 9.9
Vermont 2,717 254 557 9.3 20.5
Virginia 13,524 1,261 2,141 9.3 15.8
Washington 7,743 391 1,548 5.0 20.0
West Virginia 7,099 990 1,511 13.9 21.3
Wisconsin 14,024 1,204 694 8.6 4.9
Wyoming 3,068 411 261 13.4 8.5
United States, total 602,864 67,275 75,504 11.2 12.5
U.S. total (incl. Puerto Rico) 605,086 67,526 76,363 11.2 12.6

NOTES: 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 categories and other anomalies. Explanations for the terms Structurally Deficient and Functionally Obsolete can be found in Chapter 3 of the Federal Highway Administration's 2008 Conditions and Performance Report at http://www.fhwa.dot.gov/policy/2008cpr/es.htm#c3a.

SOURCE: U.S. Department of Transportation, Federal Highway Administration, Office of Bridge Technology, National Bridge Inventory 2011, Deficient Bridges by State and Highway System, available at http://www.fhwa.dot.gov/bridge/nbi.htm as of March 8, 2012.