Bridge conditions in Martin County, Minnesota
162 inventoried bridges · 39 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Martin County has 39 bridges rated poor out of 162 inventoried, a 24.1% share that puts it well above the national rate of about 7%.
- 39 of the 162 bridges in Martin County, Minnesota, are rated in poor condition (24.1%) in the 2025 National Bridge Inventory, as of .
- 75 bridges (46.3%) are rated good and 48 (29.6%) fair.
- The median Martin County bridge was built in 1976.
- The busiest poor-rated bridge is Csah 27 over Elm Creek (built 1977), carrying about 1,456 vehicles a day.
Good 46.3% · Fair 29.6% · Poor 24.1% of 162 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 |
|---|---|---|---|
| Csah 27 over Elm Creek | 1977 | 1,456 | Poor |
| Csah 39 over Elm Creek | 1966 | 1,153 | Poor |
| Csah 53 over Center Creek | 1930 | 1,089 | Poor |
| Csah 38 over Elm Creek | 1964 | 530 | Poor |
| Csah 8 over Tuttle Lake Outlet | 1959 | 480 | Poor |
| Csah 18 over South Creek | 1971 | 435 | Poor |
| Csah 33 over Elm Creek | 1965 | 128 | Poor |
| CR 125 over E Fk Des Moines River | 1972 | 100 | Poor |
| CR 107 over CR.107 over Elm Creek | 1975 | 99 | Poor |
| T 188 over Co Ditch # 1 | 1938 | 88 | Poor |
| Csah 119 over E Fk Des Moines River | 1977 | 85 | Poor |
| Csah 9 over Cedar Run | 1957 | 85 | Poor |
| CR 107 over E Fk Des Moines River | 1977 | 77 | Poor |
| Csah 21 over Elm Creek | 1953 | 70 | Poor |
| T 40 over Center Creek | 1918 | 58 | Poor |
| T 200 over E Fk Des Moines River | 1931 | 54 | Poor |
| CR 123 over E Fk Des Moines River | 1966 | 50 | Poor |
| T 18 over Elm Creek | 1976 | 49 | Poor |
| CR 122 over over E Fk Des Mo | 1966 | 45 | Poor |
| T 11 over Elm Creek | 1979 | 43 | Poor |
| T 298 over Lily Creek | 1973 | 40 | Poor |
| T 67 over E Fk Des Moines River | 1977 | 40 | Poor |
| T 67 over E Fk Des Moines River | 1977 | 30 | Poor |
| T 176 over Elm Creek | 1977 | 30 | Poor |
| T 180 over Elm Creek | 1982 | 30 | Poor |
| T 3 over Cedar Run | 1975 | 28 | Poor |
| CR 159 over Center Creek | 1965 | 27 | Poor |
| T 12 over Elm Creek | 1979 | 26 | Poor |
| T 200 over Co Ditch # 11 | 1981 | 24 | Poor |
| T 69 over Ditch | 1914 | 24 | Poor |
| T 69 over E Fk Des Moines River | 1977 | 23 | Poor |
| T 75 over Co Ditch # 11 | 1977 | 22 | Poor |
| T 198 over Co Ditch # 11 | 1980 | 22 | Poor |
| CR 140 over Elm Creek | 1912 | 18 | Poor |
| T 38 over Elm Creek | 1913 | 16 | Poor |
| T 165 over South Creek | 1918 | 16 | Poor |
| T 329 over Elm Creek | 1924 | 16 | Poor |
| T 329 over Elm Creek | 1925 | 16 | Poor |
| T 107 over South Creek | 1952 | 15 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Mn 15 over Center Creek | 1973 | 11,176 | Good |
| I 90 over E Fk Des Moines River | 1973 | 8,600 | Fair |
| I 90 over E Fk Des Moines River | 1972 | 8,600 | Fair |
| I 90 over Stream | 1972 | 8,600 | Good |
| I 90 over E Fk Des Moines River | 1973 | 8,600 | Good |
| I 90 over South Creek | 1972 | 8,111 | Fair |
| I 90 over Im Rail | 1973 | 5,100 | Fair |
| I 90 over Im Rail | 1973 | 5,100 | Fair |
| I 90 over Center Creek | 1973 | 5,100 | Fair |
| I 90 over Center Creek | 1973 | 5,100 | 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.