Bridge conditions in Keokuk County, Iowa
183 inventoried bridges · 37 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Of the 183 Keokuk County bridges in the federal inventory, 37 carry a poor rating. That 20.2% share is roughly 3x the national average.
- 37 of the 183 bridges in Keokuk County, Iowa, are rated in poor condition (20.2%) in the 2025 National Bridge Inventory, as of .
- 58 bridges (31.7%) are rated good and 88 (48.1%) fair.
- The median Keokuk County bridge was built in 1979.
- The busiest poor-rated bridge is Ia 78 over Stream (built 1937), carrying about 1,190 vehicles a day.
Good 31.7% · Fair 48.1% · Poor 20.2% of 183 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 |
|---|---|---|---|
| Ia 78 over Stream | 1937 | 1,190 | Poor |
| Old Ia 77 over Richland Creek | 1932 | 620 | Poor |
| Co Rd W15 over Small Stream | 1932 | 620 | Poor |
| FM over Crooked Creek | 1964 | 500 | Poor |
| FM over Dme RR | 1936 | 200 | Poor |
| FM over Stream | 1930 | 160 | Poor |
| FM over Stream | 1948 | 100 | Poor |
| FM over Stream | 1982 | 100 | Poor |
| FM over Stream | 1951 | 80 | Poor |
| FM over Stream | 1966 | 80 | Poor |
| FM over Stream | 1966 | 80 | Poor |
| FM over Stream | 1939 | 60 | Poor |
| Local over Stream | 1967 | 50 | Poor |
| Local over Cedar Creek | 1952 | 46 | Poor |
| FM over Stream | 1956 | 35 | Poor |
| FM over Rock Creek | 1956 | 35 | Poor |
| Local over Coal Creek | 1967 | 34 | Poor |
| Local over S Fork English River | 1953 | 34 | Poor |
| Local Rd over South Fork English River | 1960 | 31 | Poor |
| Local over Crooked Creek | 1952 | 30 | Poor |
| FM over Stream | 1950 | 30 | Poor |
| FM over Stream | 1972 | 30 | Poor |
| Local over Stream | 1971 | 30 | Poor |
| Local over Stream | 1969 | 26 | Poor |
| Local over Trib S Fork Eng River | 1951 | 26 | Poor |
| Local over S Fork English River | 1970 | 26 | Poor |
| Local Road over Stream | 1968 | 20 | Poor |
| FM over English River | 1960 | 20 | Poor |
| Local over Coal Creek | 1948 | 15 | Poor |
| FM over S Fork English River | 1954 | 15 | Poor |
| Local over Steady Run Creek | 1979 | 11 | Poor |
| 260TH St over Stream | 1938 | 11 | Poor |
| Loc Rd Class B over Stream | 1970 | 11 | Poor |
| Local over Unnamed Stream | 1971 | 11 | Poor |
| Local over Trib S Fk English River | 1972 | 11 | Poor |
| Local over Drainage Ditch | 1983 | 11 | Poor |
| Local over Cedar Creek | 1979 | 5 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ia 92 over Rock Creek | 1964 | 3,400 | Fair |
| Ia 92 & 149 over Bridge Creek | 1967 | 3,110 | Fair |
| Ia 149 over North Skunk River | 1986 | 2,540 | Fair |
| Ia 21 over Coal Creek | 1969 | 2,300 | Fair |
| Ia 23 over Stream | 1976 | 1,980 | Fair |
| Ia 21 over Stream | 1940 | 1,950 | Fair |
| Ia 21 over Cedar Creek | 1948 | 1,880 | Fair |
| Ia 92 over German Creek | 1967 | 1,880 | Fair |
| Ia 92 over Cedar Creek | 1964 | 1,840 | Fair |
| Ia 149 over So.fork English River | 1987 | 1,760 | 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.