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Bridge conditions in Keokuk County, Iowa

183 inventoried bridges · 37 rated poor · 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

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 August 20, 2026.
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.

Every bridge in Keokuk County → - all 183, busiest first, each with its own condition record.

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.