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States ranked by bridge quality
Best to worst, by the share of inventoried bridges rated poor - 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- The state with the best bridges by this measure is Nevada: only 1.0% of its 2,123 inventoried bridges are rated poor in the 2025 National Bridge Inventory (as of ).
- The state with the worst bridges is Iowa, where 4,423 of 23,716 bridges (18.6%) carry a poor rating.
- Nationally, 6.7% of bridges are rated poor and 43.7% good.
- The ranking metric is simple and stated: the share of a state's inventoried bridges rated poor, best first. It counts bridges, not traffic - a state with thousands of little-used rural bridges can rank worse than one whose few poor bridges are heavily traveled.
All states, ranked best to worst
Click a column to re-sort; click any state for its county-by-county breakdown.
| # | State | Bridges | % good | Poor bridges | % poor |
|---|---|---|---|---|---|
| 1 | Nevada | 2,123 | 56.5% | 22 | 1.0% |
| 2 | Arizona | 8,587 | 63.2% | 95 | 1.1% |
| 3 | Delaware | 874 | 43.0% | 10 | 1.1% |
| 4 | Texas | 56,951 | 51.7% | 680 | 1.2% |
| 5 | Georgia | 15,090 | 72.1% | 263 | 1.7% |
| 6 | District of Columbia | 261 | 34.5% | 5 | 1.9% |
| 7 | Florida | 13,070 | 59.0% | 360 | 2.8% |
| 8 | Alabama | 16,181 | 35.9% | 545 | 3.4% |
| 9 | Virginia | 14,143 | 32.6% | 485 | 3.4% |
| 10 | Utah | 3,144 | 21.0% | 109 | 3.5% |
| 11 | Vermont | 2,866 | 47.0% | 114 | 4.0% |
| 12 | New Mexico | 4,033 | 33.6% | 172 | 4.3% |
| 13 | Tennessee | 20,374 | 42.3% | 887 | 4.4% |
| 14 | Maryland | 5,500 | 31.9% | 240 | 4.4% |
| 15 | Minnesota | 13,551 | 56.4% | 609 | 4.5% |
| 16 | Colorado | 8,990 | 33.8% | 417 | 4.6% |
| 17 | Ohio | 26,713 | 60.8% | 1,266 | 4.7% |
| 18 | Connecticut | 4,363 | 27.7% | 209 | 4.8% |
| 19 | California | 25,975 | 47.1% | 1,284 | 4.9% |
| 20 | Oregon | 8,329 | 31.8% | 422 | 5.1% |
| 21 | Kansas | 24,891 | 52.1% | 1,301 | 5.2% |
| 22 | Indiana | 19,542 | 42.0% | 1,043 | 5.3% |
| 23 | Arkansas | 12,978 | 44.5% | 695 | 5.4% |
| 24 | Idaho | 4,646 | 31.6% | 250 | 5.4% |
| 25 | Washington | 8,520 | 51.0% | 473 | 5.6% |
| 26 | Hawaii | 1,180 | 39.1% | 67 | 5.7% |
| 27 | New Jersey | 6,825 | 25.4% | 392 | 5.7% |
| 28 | Mississippi | 16,711 | 54.3% | 967 | 5.8% |
| 29 | South Carolina | 9,504 | 37.5% | 602 | 6.3% |
| 30 | Wisconsin | 14,498 | 46.6% | 976 | 6.7% |
| 31 | North Carolina | 19,343 | 45.5% | 1,382 | 7.1% |
| 32 | Wyoming | 3,138 | 28.5% | 224 | 7.1% |
| 33 | Montana | 5,235 | 32.1% | 388 | 7.4% |
| 34 | Nebraska | 15,412 | 53.0% | 1,155 | 7.5% |
| 35 | New Hampshire | 2,549 | 51.1% | 192 | 7.5% |
| 36 | Alaska | 1,660 | 46.1% | 124 | 7.5% |
| 37 | Oklahoma | 22,926 | 41.5% | 1,719 | 7.5% |
| 38 | Kentucky | 14,590 | 26.8% | 1,088 | 7.5% |
| 39 | Missouri | 24,647 | 37.2% | 2,163 | 8.8% |
| 40 | Massachusetts | 5,311 | 24.3% | 501 | 9.4% |
| 41 | Illinois | 26,927 | 44.6% | 2,563 | 9.5% |
| 42 | New York | 17,666 | 32.3% | 1,741 | 9.9% |
| 43 | Michigan | 11,397 | 33.1% | 1,250 | 11.0% |
| 44 | North Dakota | 4,250 | 41.9% | 470 | 11.1% |
| 45 | Louisiana | 12,684 | 37.9% | 1,423 | 11.2% |
| 46 | Pennsylvania | 23,314 | 34.4% | 2,813 | 12.1% |
| 47 | Rhode Island | 787 | 24.9% | 110 | 14.0% |
| 48 | Puerto Rico | 2,434 | 17.0% | 344 | 14.1% |
| 49 | Maine | 2,542 | 25.1% | 392 | 15.4% |
| 50 | South Dakota | 5,883 | 34.6% | 945 | 16.1% |
| 51 | West Virginia | 7,345 | 26.7% | 1,307 | 17.8% |
| 52 | Iowa | 23,716 | 39.3% | 4,423 | 18.6% |
Source: FHWA National Bridge Inventory, 2025. Percentages are of bridges with a reported condition class.
Related: the worst bridge in every state · the 100 busiest poor bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.