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Bridge conditions in Chickasaw County, Iowa

304 inventoried bridges · 80 rated poor · 2025 National Bridge Inventory

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

Of the 304 Chickasaw County bridges in the federal inventory, 80 carry a poor rating. That 26.3% share is roughly 4x the national average.

80 of the 304 bridges in Chickasaw County, Iowa, are rated in poor condition (26.3%) in the 2025 National Bridge Inventory, as of August 20, 2026.
126 bridges (41.4%) are rated good and 98 (32.2%) fair.
The median Chickasaw County bridge was built in 1988.
The busiest poor-rated bridge is Local Rd over Drainage Ditch (built 1953), carrying about 2,642 vehicles a day.

Good 41.4% · Fair 32.2% · Poor 26.3% of 304 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
Local Rd over Drainage Ditch	1953	2,642	Poor
Local Rd over Drainage Ditch	1954	2,396	Poor
Local Rd over Drainage Ditch	1927	1,051	Poor
E Hamilton St over Small Stream	1980	937	Poor
FM over Little Wapsipinicon	1967	786	Poor
US 218 over Drainage Ditch	1959	639	Poor
FM over Little Cedar	1964	579	Poor
FM over Wapsipinicon River	1956	550	Poor
FM over Wapsipinicon River	1957	501	Poor
FM over Crane Creek	1966	432	Poor
E Spring St over Small Stream	1920	349	Poor
FM over Crane Creek	1971	275	Poor
FM over Little Wapsipinicon Rvr	1961	265	Poor
FM over Little Cedar	1965	196	Poor
FM over Crane Creek	1959	157	Poor
Local over Small Stream	1975	135	Poor
FM over Spring Branch	1951	118	Poor
FM over Br Little Wapsipinicon	1957	118	Poor
Local over East Wapsipinicon	1900	98	Poor
FM over Cedar Creek	1960	98	Poor
Local over Wapsipinicon	1956	91	Poor
Local over Spring Branch Creek	1961	91	Poor
Local over Small	1979	91	Poor
Local over Spring Creek	1954	88	Poor
Local over Little Wapsipinicon Rvr	1980	88	Poor
FM over Creek	1976	88	Poor
Local over Small Stream	1975	82	Poor
Local over Creek	1969	82	Poor
Local over Branch Crane Creek	1970	82	Poor
Local over Creek	1960	73	Poor
Local over E Fork Wapsipinicon Rvr	1971	73	Poor
FM over Crane Creek	1960	69	Poor
Local over Simpson Creek	1965	62	Poor
Local over Plum Creek	1962	62	Poor
Local over Little Turkey River	1966	62	Poor
Local over Little Wapsipinicon	1971	59	Poor
Local over Br E Fk Wapsipinicon Rvr	1982	59	Poor
FM over East Wapsipinicon River	1981	59	Poor
Local over Horton Creek	1981	51	Poor
Local over Creek	1971	51	Poor
Local over East Wapsipinicon River	1963	51	Poor
Local over Stream	1962	51	Poor
FM over Stream	1981	49	Poor
Local over Little Wapsipinicon Rvr	1975	49	Poor
Local over Spring Creek	1991	47	Poor
Local over Creek	1953	47	Poor
Local over Creek	1975	47	Poor
Local over Small	1983	47	Poor
Local over Little Turkey	1969	47	Poor
FM over E Fork Wapsipinicon Rvr	1962	44	Poor
FM over Beaver Creek	1961	44	Poor
Local over Crane Creek	1980	41	Poor
Local over Small	1978	41	Poor
Local over Creek	1970	41	Poor
Local over Small Creek	1986	35	Poor
Local over Creek	1970	35	Poor
Local over Horton Creek	1978	30	Poor
Local over Small	1976	30	Poor
Local over Little Wapsipinicon Rvr	1952	30	Poor
Local over Creek	1971	30	Poor
Local over Small Stream	1985	29	Poor
Local over Creek	1972	29	Poor
Local over Wapsipinicon River	1955	29	Poor
FM over Br Wapsipinicon River	1960	29	Poor
Local over Small	1988	27	Poor
Local over Branch Horton Creek	1952	25	Poor
FM over Small	1978	25	Poor
Local over Spring Branch Creek	1972	21	Poor
Local over Spring Branch Creek	1987	21	Poor
Local over Creek	1975	21	Poor
Local over Wapsipinicon River	1957	21	Poor
Local over Creek	1968	20	Poor
Local over Plum Creek	1948	16	Poor
Local over Spring Branch Creek	1981	15	Poor
Local over Small Stream	1963	11	Poor
Local over Small Stream	1982	11	Poor
Local over Creek	1971	10	Poor
Local over Creek	1973	10	Poor
Farm Drive over Branch Elk Creek	1974	10	Poor
Local over Spring Branch Creek	1980	5	Poor

Busiest bridges in the county

Bridge	Built	Vehicles/day	Condition
US 63 over Trib to Wapsipinicon	2001	5,100	Good
Ia 24 over Plum Creek	2000	4,290	Good
US 63 over E. Fk Wapsipinicon River	1962	4,280	Fair
US 63 over Spring Creek	1971	4,280	Fair
US 18 & Ia 346 over U.S. 63	2002	4,130	Good
Ia 346 over Cedar River	1984	3,340	Fair
US 18 over East Wapsipinicon River	1983	3,150	Fair
Ia 24 over East Wapsipinicon River	2000	3,150	Good
US 18 over Little Wapsipinicon Rvr	1964	3,030	Fair
US 18 over Br Little Wapsipinicon R	1934	3,030	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 Chickasaw County → - all 304, 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.