Bridge conditions in Wright County, Iowa
175 inventoried bridges · 48 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Of the 175 Wright County bridges in the federal inventory, 48 carry a poor rating. That 27.4% share is roughly 4x the national average.
- 48 of the 175 bridges in Wright County, Iowa, are rated in poor condition (27.4%) in the 2025 National Bridge Inventory, as of .
- 61 bridges (34.9%) are rated good and 66 (37.7%) fair.
- The median Wright County bridge was built in 1981.
- The busiest poor-rated bridge is C70 330TH St over Boone River (built 1951), carrying about 977 vehicles a day.
Good 34.9% · Fair 37.7% · Poor 27.4% of 175 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 |
|---|---|---|---|
| C70 330TH St over Boone River | 1951 | 977 | Poor |
| FM over Iowa River | 1965 | 977 | Poor |
| 330TH St over Eagle Creek | 1951 | 966 | Poor |
| FM over Eagle Creek | 1963 | 818 | Poor |
| FM over White Fox Creek | 1963 | 742 | Poor |
| C54 265TH St over Drainage | 1976 | 609 | Poor |
| C54 265TH St over Drainage | 1976 | 569 | Poor |
| FM over Iowa River | 1961 | 450 | Poor |
| Local over Small | 1973 | 275 | Poor |
| FM over Iowa River | 1968 | 199 | Poor |
| FM over Wheeler Creek | 1968 | 199 | Poor |
| FM over Stream | 1978 | 100 | Poor |
| FM over Drainage Ditch 36 | 1968 | 80 | Poor |
| Local over Drainage Ditch 7 | 1963 | 73 | Poor |
| Local over Drainage Ditch 11-13 | 1927 | 72 | Poor |
| FM over Stream | 1981 | 71 | Poor |
| FM over Small Stream | 1954 | 61 | Poor |
| Local over Wheeler Creek | 1978 | 51 | Poor |
| Local over Luicks Creek | 1979 | 51 | Poor |
| Local over Creek | 1900 | 47 | Poor |
| 230TH St over Creek | 1900 | 46 | Poor |
| Local over Iowa River | 1975 | 42 | Poor |
| Local over White Fox Creek | 1914 | 35 | Poor |
| Local over Stream | 1905 | 35 | Poor |
| FM over Boone River | 1972 | 35 | Poor |
| Buchanan Ave over Boone River | 1912 | 35 | Poor |
| Local over Otter Creek | 1967 | 31 | Poor |
| Local over Drainage Ditch 36 | 1980 | 30 | Poor |
| Local over White Fox Creek | 1968 | 26 | Poor |
| Local over Eagle Creek | 1981 | 26 | Poor |
| 130TH St over Drainage Ditch 107 | 1936 | 26 | Poor |
| Local over White Fox Creek | 1975 | 21 | Poor |
| Local Road over Iowa River | 1930 | 21 | Poor |
| Local over Eagle Creek | 1981 | 21 | Poor |
| Local over Little Eagle Creek | 1973 | 21 | Poor |
| Local over Dd #107 | 1972 | 21 | Poor |
| Local over Dd #10 | 1968 | 21 | Poor |
| FM over Creek | 1977 | 20 | Poor |
| Local over Drainage Ditch 3 | 1979 | 15 | Poor |
| Local over Drainage Ditch 121 | 1900 | 15 | Poor |
| Local over White Fox Creek | 1941 | 11 | Poor |
| Local over Drainage Ditch 9 | 1920 | 11 | Poor |
| Local over Drainage Ditch 111 | 1900 | 11 | Poor |
| Local over Eagle Creek | 1979 | 11 | Poor |
| Emmett Ave over Otter Creek | 1969 | 11 | Poor |
| Local over Dd #219 | 1972 | 11 | Poor |
| Local Road over West Branch Iowa River | 1919 | 11 | Poor |
| Local over Eagle Creek | 1975 | 5 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| NB I-35 over Drainage Ditch #29 | 1974 | 8,250 | Good |
| SB I-35 over Drainage Ditch #29 | 1974 | 8,250 | Fair |
| I 35 NB over Iowa River | 1974 | 8,250 | Good |
| SB I-35 over Iowa River | 1974 | 8,250 | Fair |
| Ia 3 over White Fox Creek | 1986 | 4,020 | Good |
| Ia 3 over Eagle Creek | 1932 | 3,450 | Fair |
| Ia 3 over Little Eagle Creek | 2016 | 3,450 | Good |
| US 69 over Iowa River | 1933 | 3,210 | Fair |
| Ia 17 over Boone River | 1933 | 3,180 | Fair |
| Ia 17 over Drainage Ditch | 1933 | 3,100 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of 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.