Checked
Tennessee Bridge Conditions
Highway bridges longer than 20 feet in the 2025 National Bridge Inventory
Yearly inspection ratings. A poor rating does not mean a bridge is unsafe to use.
- Highway bridges
- 20,374
- Good condition
- 42.3%
- 8,620
- Poor condition
- 4.4%
- 887
- Weight-limited or closed
- 2,144
Bridges by county
| County | Bridges | Good | Poor | Weight-limited | Avg. year built |
|---|---|---|---|---|---|
| Anderson County | 175 | 25.7% | 3.4% (6) | 31 | 1974 |
| Bedford County | 294 | 56.1% | 2.4% (7) | 48 | 1973 |
| Benton County | 147 | 33.3% | 1.4% (2) | 11 | 1979 |
| Bledsoe County | 83 | 41% | 1.2% (1) | 3 | 1970 |
| Blount County | 216 | 63.4% | 3.2% (7) | 11 | 1975 |
| Bradley County | 199 | 58.8% | 2.5% (5) | 23 | 1975 |
| Campbell County | 137 | 24.8% | 3.6% (5) | 12 | 1973 |
| Cannon County | 159 | 44.7% | 10.1% (16) | 42 | 1975 |
| Carroll County | 239 | 38.1% | 1.7% (4) | 28 | 1982 |
| Carter County | 194 | 41.8% | 13.9% (27) | 35 | 1976 |
| Cheatham County | 127 | 45.7% | 3.1% (4) | 12 | 1976 |
| Chester County | 127 | 38.6% | 1.6% (2) | 35 | 1983 |
| Claiborne County | 98 | 35.7% | 3.1% (3) | 13 | 1985 |
| Clay County | 64 | 15.6% | 4.7% (3) | 8 | 1984 |
| Cocke County | 189 | 18.5% | 9% (17) | 22 | 1977 |
| Coffee County | 217 | 24.4% | 9.7% (21) | 27 | 1964 |
| Crockett County | 167 | 44.3% | 3.6% (6) | 27 | 1985 |
| Cumberland County | 138 | 31.9% | 16.7% (23) | 21 | 1972 |
| Davidson County | 833 | 49% | 4.6% (38) | 62 | 1973 |
| Decatur County | 104 | 35.6% | 1% (1) | 7 | 1982 |
| DeKalb County | 101 | 22.8% | 7.9% (8) | 13 | 1977 |
| Dickson County | 242 | 58.3% | 5% (12) | 9 | 1975 |
| Dyer County | 232 | 29.7% | 8.2% (19) | 33 | 1979 |
| Fayette County | 335 | 25.7% | 7.5% (25) | 121 | 1984 |
| Fentress County | 55 | 29.1% | 12.7% (7) | 9 | 1981 |
| Franklin County | 157 | 42.7% | 3.8% (6) | 14 | 1980 |
| Gibson County | 386 | 33.7% | 4.4% (17) | 71 | 1987 |
| Giles County | 321 | 56.4% | 1.6% (5) | 29 | 1969 |
| Grainger County | 88 | 27.3% | 4.5% (4) | 12 | 1970 |
| Greene County | 305 | 28.5% | 3% (9) | 27 | 1974 |
| Grundy County | 82 | 40.2% | 0% (0) | 5 | 1969 |
| Hamblen County | 119 | 16% | 2.5% (3) | 4 | 1976 |
| Hamilton County | 464 | 42.7% | 6% (28) | 42 | 1976 |
| Hancock County | 62 | 50% | 1.6% (1) | 4 | 1986 |
| Hardeman County | 223 | 27.8% | 4.5% (10) | 60 | 1981 |
| Hardin County | 190 | 37.9% | 2.1% (4) | 33 | 1983 |
| Hawkins County | 190 | 21.1% | 8.9% (17) | 29 | 1971 |
| Haywood County | 241 | 34.9% | 4.6% (11) | 24 | 1976 |
| Henderson County | 207 | 30.4% | 5.8% (12) | 43 | 1983 |
| Henry County | 185 | 40% | 2.7% (5) | 23 | 1979 |
| Hickman County | 331 | 45.6% | 5.1% (17) | 31 | 1979 |
| Houston County | 118 | 45.8% | 3.4% (4) | 5 | 1978 |
| Humphreys County | 252 | 29.4% | 3.6% (9) | 16 | 1980 |
| Jackson County | 131 | 38.9% | 3.1% (4) | 11 | 1978 |
| Jefferson County | 123 | 14.6% | 12.2% (15) | 27 | 1966 |
| Johnson County | 109 | 43.1% | 4.6% (5) | 10 | 1972 |
| Knox County | 584 | 52.4% | 0.5% (3) | 25 | 1974 |
| Lake County | 30 | 40% | 3.3% (1) | 1 | 1995 |
| Lauderdale County | 258 | 35.7% | 6.2% (16) | 43 | 1985 |
| Lawrence County | 211 | 52.6% | 1.9% (4) | 15 | 1979 |
| Lewis County | 136 | 19.1% | 2.9% (4) | 6 | 1979 |
| Lincoln County | 303 | 52.8% | 3.3% (10) | 25 | 1974 |
| Loudon County | 117 | 65% | 1.7% (2) | 9 | 1971 |
| Macon County | 169 | 70.4% | 4.7% (8) | 11 | 1984 |
| Madison County | 418 | 32.1% | 4.1% (17) | 33 | 1983 |
| Marion County | 177 | 46.9% | 3.4% (6) | 10 | 1971 |
| Marshall County | 240 | 55.8% | 0% (0) | 23 | 1968 |
| Maury County | 424 | 39.9% | 5.9% (25) | 30 | 1975 |
| McMinn County | 219 | 36.5% | 2.7% (6) | 11 | 1976 |
| McNairy County | 218 | 40.4% | 4.1% (9) | 25 | 1985 |
| Meigs County | 75 | 48% | 1.3% (1) | 5 | 1976 |
| Monroe County | 144 | 62.5% | 4.2% (6) | 12 | 1976 |
| Montgomery County | 186 | 39.2% | 4.8% (9) | 26 | 1979 |
| Moore County | 69 | 50.7% | 0% (0) | 3 | 1974 |
| Morgan County | 120 | 50% | 5% (6) | 11 | 1982 |
| Obion County | 381 | 43.8% | 2.9% (11) | 51 | 1983 |
| Overton County | 78 | 21.8% | 3.8% (3) | 7 | 1977 |
| Perry County | 153 | 23.5% | 1.3% (2) | 7 | 1979 |
| Pickett County | 30 | 50% | 3.3% (1) | 1 | 1984 |
| Polk County | 139 | 48.9% | 8.6% (12) | 16 | 1980 |
| Putnam County | 167 | 9% | 1.8% (3) | 18 | 1976 |
| Rhea County | 100 | 23% | 6% (6) | 6 | 1979 |
| Roane County | 159 | 48.4% | 2.5% (4) | 16 | 1972 |
| Robertson County | 204 | 70.1% | 1% (2) | 7 | 1977 |
| Rutherford County | 428 | 60.5% | 4.4% (19) | 29 | 1977 |
| Scott County | 111 | 23.4% | 4.5% (5) | 15 | 1973 |
| Sequatchie County | 67 | 41.8% | 0% (0) | 3 | 1980 |
| Sevier County | 273 | 54.9% | 1.8% (5) | 12 | 1977 |
| Shelby County | 1,075 | 19.9% | 6.3% (68) | 79 | 1977 |
| Smith County | 202 | 56.4% | 9.4% (19) | 17 | 1971 |
| Stewart County | 169 | 57.4% | 0.6% (1) | 6 | 1977 |
| Sullivan County | 367 | 44.7% | 2.7% (10) | 36 | 1973 |
| Sumner County | 398 | 67.3% | 4% (16) | 21 | 1976 |
| Tipton County | 202 | 41.6% | 6.4% (13) | 30 | 1986 |
| Trousdale County | 88 | 70.5% | 2.3% (2) | 3 | 1979 |
| Unicoi County | 160 | 51.9% | 7.5% (12) | 20 | 1984 |
| Union County | 61 | 41% | 3.3% (2) | 8 | 1979 |
| Van Buren County | 37 | 16.2% | 0% (0) | 0 | 1986 |
| Warren County | 160 | 41.9% | 2.5% (4) | 28 | 1976 |
| Washington County | 283 | 49.5% | 3.2% (9) | 34 | 1977 |
| Wayne County | 274 | 56.6% | 5.5% (15) | 14 | 1987 |
| Weakley County | 351 | 35.6% | 1.4% (5) | 20 | 1987 |
| White County | 69 | 14.5% | 4.3% (3) | 4 | 1980 |
| Williamson County | 531 | 64.2% | 3% (16) | 31 | 1985 |
| Wilson County | 403 | 58.3% | 7.7% (31) | 28 | 1972 |
Frequently asked questions
- How many bridges in Tennessee are in poor condition?
- In the 2025 National Bridge Inventory, 887 of 20,374 highway bridges in Tennessee were rated poor (4.4% of rated bridges).
- Which Tennessee counties have the most bridges in poor condition?
- Among counties with at least 30 bridges, the highest shares rated poor are Cumberland County (16.7%), Carter County (13.9%), Fentress County (12.7%), Jefferson County (12.2%), Cannon County (10.1%).
Source: Federal Highway Administration, National Bridge Inventory ยท 2025 data