Bridge conditions in Mower County, Minnesota
343 inventoried bridges · 28 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Mower County tracks close to typical: 28 of its 343 inventoried bridges (8.2%) are rated poor, against a national rate of about 7%.
- 28 of the 343 bridges in Mower County, Minnesota, are rated in poor condition (8.2%) in the 2025 National Bridge Inventory, as of .
- 153 bridges (44.6%) are rated good and 162 (47.2%) fair.
- The median Mower County bridge was built in 1995.
- The busiest poor-rated bridge is I 90 over Rose Creek (built 1959), carrying about 13,166 vehicles a day.
Good 44.6% · Fair 47.2% · Poor 8.2% of 343 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 90 over Rose Creek | 1959 | 13,166 | Poor |
| I 90 over N Fk Bear Creek | 1961 | 10,728 | Poor |
| US 218 over I 90 | 1959 | 3,900 | Poor |
| Msas 134 over Dobbins Creek | 1932 | 3,700 | Poor |
| Csah 14 over Upper Iowa River | 1955 | 1,400 | Poor |
| Mn 56 over Stream | 1940 | 1,357 | Poor |
| Csah 7 over Little Cedar River | 1975 | 1,300 | Poor |
| Csah 28 over Cedar River | 1959 | 960 | Poor |
| Csah 25 over Cedar River | 1968 | 949 | Poor |
| Csah 4 over Rose Creek | 1973 | 560 | Poor |
| Csah 29 over Rose Creek | 1966 | 530 | Poor |
| Csah 13 over I 90 | 1960 | 375 | Poor |
| Csah 7 over N Br Root River | 1968 | 285 | Poor |
| Csah 7 over Stream | 1967 | 285 | Poor |
| Pvt 103 over Dobbins Creek | 1959 | 250 | Poor |
| Csah 20 over I 90 | 1960 | 250 | Poor |
| Csah 13 over Deer Creek | 1977 | 90 | Poor |
| Csah 9 over N Br Upper Iowa River | 1974 | 65 | Poor |
| M 3 over Schwerin Creek | 1936 | 50 | Poor |
| T 68 over Woodbury Creek | 1965 | 49 | Poor |
| CR 59 over Rose Creek | 1931 | 45 | Poor |
| T 18 over Rose Creek | 1976 | 29 | Poor |
| T 146 over Ditch | 1923 | 23 | Poor |
| T 124 over Stream | 1917 | 20 | Poor |
| CR 60 over Rose Creek | 1931 | 20 | Poor |
| T 128 over Rose Creek | 1917 | 8 | Poor |
| T 150 over Robinson Creek | 1917 | 4 | Poor |
| T 263 over Stream | 1926 | 4 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Con 2589 over I 90 | 2010 | 27,200 | Good |
| I 90 over Dobbins Creek | 2009 | 18,300 | Good |
| I 90 over Rose Creek | 1959 | 13,166 | Poor |
| I 90 over Rose Creek | 1959 | 13,166 | Fair |
| I 90 EB over Cedar River | 2024 | 11,649 | Good |
| I 90 over Cedar River | 1958 | 11,649 | Fair |
| I 90 over N Fk Bear Creek | 1961 | 10,728 | Poor |
| I 90 over Rose Creek | 1960 | 10,400 | Fair |
| I 90 over 6TH St NE | 1958 | 9,340 | Fair |
| I 90 over 6TH St NE | 1958 | 9,340 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Minnesota: Minnesota bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.