Bridge conditions in Kossuth County, Iowa
266 inventoried bridges · 40 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Of the 266 Kossuth County bridges in the federal inventory, 40 carry a poor rating. That 15.0% share is roughly 2x the national average.
- 40 of the 266 bridges in Kossuth County, Iowa, are rated in poor condition (15.0%) in the 2025 National Bridge Inventory, as of .
- 123 bridges (46.2%) are rated good and 103 (38.7%) fair.
- The median Kossuth County bridge was built in 1987.
- The busiest poor-rated bridge is 240TH Ave over Lindner Creek (built 1972), carrying about 620 vehicles a day.
Good 46.2% · Fair 38.7% · Poor 15.0% of 266 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 |
|---|---|---|---|
| 240TH Ave over Lindner Creek | 1972 | 620 | Poor |
| FM 150TH Ave over Lindner Creek | 1969 | 376 | Poor |
| Loc 20TH Ave over E Fork Des Moines River | 1973 | 359 | Poor |
| Irvington Rd over D D # 51 | 1966 | 330 | Poor |
| FM 320TH St over Buffalo Creek | 1958 | 309 | Poor |
| FM 300TH St over Dd #2 & 36 | 1974 | 264 | Poor |
| FM 380TH St over Union Slough Ditch | 1964 | 180 | Poor |
| Loc 200TH St over Lotts Creek | 1969 | 177 | Poor |
| A30 460TH St over Union Slough Ditch | 1951 | 170 | Poor |
| FM 180TH Ave over Buffalo Creek | 1965 | 159 | Poor |
| Loc 210TH Ave over Buffalo Creek | 1971 | 143 | Poor |
| FM 190TH Ave over Plum Creek | 1960 | 133 | Poor |
| Loc 220TH Ave over Lindner Creek | 1965 | 82 | Poor |
| Loc 210TH Ave over Prairie Creek | 1979 | 81 | Poor |
| Loc 140TH Ave over Purcell Creek | 1980 | 81 | Poor |
| Loc 110TH St over Dd 100 131 93 | 1967 | 63 | Poor |
| Loc 150TH Ave over Purcell Creek | 1975 | 50 | Poor |
| Loc 100TH Ave over Black Cat Creek | 1964 | 46 | Poor |
| FM 160TH St over Lotts Creek | 1967 | 45 | Poor |
| Loc 110TH St over Drainage Ditch 182 | 1951 | 41 | Poor |
| FM 250TH St over Unnamed Creek | 1966 | 40 | Poor |
| P14 10TH Ave over E Fork Des Moines River | 1900 | 34 | Poor |
| Loc 110TH Ave over E Fork Des Moines River | 1980 | 30 | Poor |
| FM 160TH St over Hine Creek | 1967 | 26 | Poor |
| Loc 120TH St over Prairie Creek | 1988 | 26 | Poor |
| Loc 200TH St over Four Mile Creek | 1974 | 26 | Poor |
| Loc 80TH Ave over Hine Creek | 1987 | 21 | Poor |
| Loc 120TH St over Trulner Creek | 1979 | 21 | Poor |
| Loc 80TH Ave over Four Mile Creek | 1988 | 21 | Poor |
| Loc 170TH St over Drainage Ditch No 9 | 1977 | 21 | Poor |
| Loc 100TH Ave over D.D.#60 | 1984 | 21 | Poor |
| Loc 200TH St over Prairie Creek | 1971 | 15 | Poor |
| Loc 230TH Ave over Prairie Creek | 1976 | 15 | Poor |
| Loc 50TH Ave over Drainage Ditch 79 | 1965 | 11 | Poor |
| Loc 200TH St over Drainage Ditch 25 | 1969 | 11 | Poor |
| Loc 160TH St over Prairie Creek | 1986 | 5 | Poor |
| Loc 230TH Ave over Prairie Creek | 1986 | 5 | Poor |
| FM 460TH St over Middle Branch Blue Earth | 1967 | 5 | Poor |
| Loc 130TH Ave over Dd #185 | 1900 | 5 | Poor |
| Loc 490TH St over W Br Blue Earth River | 1980 | 5 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 169 over E Fork Des Moines River | 2008 | 7,500 | Good |
| US 18 over E Fork Des Moines River | 1984 | 5,900 | Good |
| US 18 over Drainage Ditch | 1993 | 4,660 | Good |
| US 169 over E Fork Des Moines River | 1971 | 3,460 | Fair |
| US 169 over Drainage Ditch | 1985 | 2,880 | Good |
| US 169 over E Fork Des Moines River | 1971 | 2,880 | Fair |
| US 169 over E Fork Des Moines River | 1971 | 2,880 | Fair |
| US 18 over Lotts Creek | 1993 | 2,770 | Good |
| US 169 over Black Cat Creek | 2022 | 2,570 | Good |
| US 169 over E Fork Des Moines River | 1959 | 2,140 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Iowa: Iowa 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.