Checked
Minnesota 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
- 13,551
- Good condition
- 56.4%
- 7,636
- Poor condition
- 4.5%
- 609
- Weight-limited or closed
- 1,135
Bridges by county
| County | Bridges | Good | Poor | Weight-limited | Avg. year built |
|---|---|---|---|---|---|
| Aitkin County | 96 | 52.1% | 8.3% (8) | 5 | 1986 |
| Anoka County | 151 | 58.3% | 2.6% (4) | 5 | 1992 |
| Becker County | 53 | 77.4% | 1.9% (1) | 0 | 1995 |
| Beltrami County | 101 | 63.4% | 3% (3) | 2 | 1990 |
| Benton County | 118 | 54.2% | 9.3% (11) | 9 | 1987 |
| Big Stone County | 17 | 58.8% | 5.9% (1) | 2 | 1984 |
| Blue Earth County | 193 | 45.6% | 6.2% (12) | 10 | 1983 |
| Brown County | 108 | 62% | 2.8% (3) | 13 | 1983 |
| Carlton County | 148 | 48.6% | 8.8% (13) | 14 | 1987 |
| Carver County | 115 | 55.7% | 2.6% (3) | 4 | 1995 |
| Cass County | 85 | 47.1% | 8.2% (7) | 14 | 1986 |
| Chippewa County | 116 | 50% | 6% (7) | 22 | 1989 |
| Chisago County | 61 | 52.5% | 1.6% (1) | 2 | 1987 |
| Clay County | 224 | 54% | 4.9% (11) | 16 | 1984 |
| Clearwater County | 50 | 48% | 0% (0) | 8 | 1981 |
| Cook County | 59 | 54.2% | 6.8% (4) | 4 | 1988 |
| Cottonwood County | 150 | 74% | 6% (9) | 14 | 1983 |
| Crow Wing County | 73 | 34.2% | 6.8% (5) | 5 | 1987 |
| Dakota County | 257 | 43.2% | 1.6% (4) | 9 | 1986 |
| Dodge County | 176 | 45.5% | 8% (14) | 24 | 1984 |
| Douglas County | 40 | 50% | 7.5% (3) | 3 | 1984 |
| Faribault County | 226 | 53.5% | 3.5% (8) | 45 | 1987 |
| Fillmore County | 348 | 34.2% | 2% (7) | 46 | 1986 |
| Freeborn County | 144 | 48.6% | 2.8% (4) | 7 | 1982 |
| Goodhue County | 331 | 50.8% | 5.1% (17) | 34 | 1980 |
| Grant County | 32 | 59.4% | 12.5% (4) | 4 | 1982 |
| Hennepin County | 941 | 40.4% | 4.4% (41) | 25 | 1985 |
| Houston County | 170 | 62.9% | 2.9% (5) | 1 | 1991 |
| Hubbard County | 45 | 55.6% | 0% (0) | 2 | 1992 |
| Isanti County | 37 | 54.1% | 5.4% (2) | 2 | 1997 |
| Itasca County | 171 | 49.1% | 4.7% (8) | 22 | 1986 |
| Jackson County | 181 | 68% | 2.2% (4) | 26 | 1986 |
| Kanabec County | 82 | 57.3% | 3.7% (3) | 17 | 1987 |
| Kandiyohi County | 93 | 47.3% | 16.1% (15) | 17 | 1981 |
| Kittson County | 160 | 72.5% | 1.9% (3) | 3 | 1989 |
| Koochiching County | 98 | 52% | 6.1% (6) | 5 | 1987 |
| Lac qui Parle County | 174 | 74.7% | 5.7% (10) | 23 | 1988 |
| Lake County | 90 | 51.1% | 12.2% (11) | 7 | 1984 |
| Lake of the Woods County | 61 | 59% | 4.9% (3) | 4 | 1991 |
| Le Sueur County | 68 | 48.5% | 2.9% (2) | 7 | 1979 |
| Lincoln County | 106 | 53.8% | 6.6% (7) | 20 | 1983 |
| Lyon County | 234 | 75.6% | 2.6% (6) | 34 | 1983 |
| Mahnomen County | 40 | 67.5% | 5% (2) | 3 | 1987 |
| Marshall County | 214 | 70.6% | 1.4% (3) | 7 | 1988 |
| Martin County | 162 | 46.3% | 24.1% (39) | 36 | 1976 |
| McLeod County | 77 | 50.6% | 5.2% (4) | 7 | 1990 |
| Meeker County | 63 | 50.8% | 3.2% (2) | 19 | 1982 |
| Mille Lacs County | 107 | 49.5% | 7.5% (8) | 5 | 1986 |
| Morrison County | 164 | 60.4% | 3% (5) | 12 | 1989 |
| Mower County | 343 | 44.6% | 8.2% (28) | 31 | 1989 |
| Murray County | 134 | 82.1% | 4.5% (6) | 9 | 1987 |
| Nicollet County | 54 | 79.6% | 0% (0) | 1 | 1995 |
| Nobles County | 306 | 67.3% | 1.6% (5) | 20 | 1983 |
| Norman County | 149 | 75.8% | 2.7% (4) | 13 | 1984 |
| Olmsted County | 367 | 64% | 1.4% (5) | 11 | 1986 |
| Otter Tail County | 148 | 39.9% | 7.4% (11) | 10 | 1980 |
| Pennington County | 49 | 75.5% | 2% (1) | 4 | 1986 |
| Pine County | 172 | 64% | 4.1% (7) | 9 | 1988 |
| Pipestone County | 185 | 65.9% | 3.2% (6) | 5 | 1999 |
| Polk County | 269 | 62.1% | 3% (8) | 11 | 1990 |
| Pope County | 47 | 85.1% | 2.1% (1) | 3 | 1987 |
| Ramsey County | 344 | 36.6% | 6.1% (21) | 19 | 1984 |
| Red Lake County | 59 | 69.5% | 1.7% (1) | 1 | 1985 |
| Redwood County | 201 | 53.7% | 11.9% (24) | 32 | 1987 |
| Renville County | 139 | 69.1% | 6.5% (9) | 28 | 1993 |
| Rice County | 143 | 40.6% | 2.8% (4) | 5 | 1986 |
| Rock County | 266 | 81.6% | 1.9% (5) | 19 | 1992 |
| Roseau County | 142 | 69.7% | 2.8% (4) | 12 | 1989 |
| Scott County | 129 | 64.3% | 0.8% (1) | 5 | 1993 |
| Sherburne County | 48 | 60.4% | 2.1% (1) | 9 | 1993 |
| Sibley County | 101 | 65.3% | 2% (2) | 8 | 1996 |
| St. Louis County | 670 | 51.3% | 6.1% (41) | 43 | 1988 |
| Stearns County | 230 | 55.7% | 3% (7) | 11 | 1982 |
| Steele County | 134 | 57.5% | 3.7% (5) | 12 | 1988 |
| Stevens County | 44 | 63.6% | 4.5% (2) | 2 | 1982 |
| Swift County | 98 | 74.5% | 1% (1) | 4 | 1993 |
| Todd County | 136 | 75.7% | 2.9% (4) | 4 | 1990 |
| Traverse County | 120 | 64.2% | 1.7% (2) | 11 | 1985 |
| Wabasha County | 147 | 57.8% | 0.7% (1) | 4 | 1985 |
| Wadena County | 78 | 79.5% | 3.8% (3) | 8 | 1994 |
| Waseca County | 85 | 24.7% | 8.2% (7) | 6 | 1985 |
| Washington County | 113 | 42.5% | 3.5% (4) | 2 | 1990 |
| Watonwan County | 166 | 69.9% | 0.6% (1) | 17 | 1979 |
| Wilkin County | 196 | 80.1% | 4.1% (8) | 6 | 1989 |
| Winona County | 237 | 42.2% | 3.8% (9) | 17 | 1984 |
| Wright County | 74 | 55.4% | 1.4% (1) | 8 | 1989 |
| Yellow Medicine County | 218 | 67.4% | 2.8% (6) | 40 | 1984 |
Frequently asked questions
- How many bridges in Minnesota are in poor condition?
- In the 2025 National Bridge Inventory, 609 of 13,551 highway bridges in Minnesota were rated poor (4.5% of rated bridges).
- Which Minnesota counties have the most bridges in poor condition?
- Among counties with at least 30 bridges, the highest shares rated poor are Martin County (24.1%), Kandiyohi County (16.1%), Grant County (12.5%), Lake County (12.2%), Redwood County (11.9%).
Source: Federal Highway Administration, National Bridge Inventory ยท 2025 data