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Every bridge in Audubon County, Iowa

Name: Every bridge in Audubon County, Iowa
Creator: Bridge Report Card
License: https://creativecommons.org/publicdomain/zero/1.0/

204 inventoried bridges, busiest first

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

Audubon County, Iowa, has 204 bridges in the 2025 National Bridge Inventory: 71 rated good, 96 fair, and 37 poor (as of August 20, 2026).
This index lists every one of them, busiest first; each links to its own condition record.

Bridge	Built	Vehicles/day	Condition
US 71 over Stream	1983	3,700	Good
US 71 over Bluegrass Creek	2006	3,080	Good
US 71 over East Nishnabotna River	1959	2,470	Fair
US 71 over East Nishnabotna River	1979	2,380	Fair
US 71 over Stream	1923	2,380	Fair
US 71 over Stream	1961	2,380	Fair
US 71 over Stream	1961	2,380	Fair
US 71 over Stream	1923	2,380	Fair
US 71 over Bluegrass Creek	1976	2,280	Fair
Washington St over Davids Creek	1959	1,987	Fair
South St over Blue Grass Creek	2003	1,423	Good
Ia 173 over Indian Creek	2003	1,360	Good
Ia 44 over Indian Creek	1980	880	Good
Ia 44 over Bluegrass Creek	1959	830	Fair
Ia 44 over David`s Creek	1972	830	Fair
Ia 44 over East Nishnabotna River	1976	830	Fair
F32 190TH St over E Nishnabotna River	2022	717	Good
Carthage St over Drainage	1997	695	Good
Edgerton St over Drainage	1960	616	Poor
F58 Littlefield Dr over Drainage Ditch	2015	597	Good
FM over Elkhorn Creek	1971	597	Fair
FM over Nishnabotna River	1958	597	Fair
F58 Littlefield Dr over Creek	2005	548	Good
Southside Ave over Blue Grass Creek	1982	522	Fair
FM over Creek	2003	428	Good
FM over Creek	2003	428	Good
FM over Creek	2006	409	Good
South St over Davids Creek	1995	346	Fair
FM M-66 over Creek	1958	338	Fair
Fm-m-66 over Creek	1972	338	Fair
W Broadway over Bluegrass Creek	2009	311	Good
FM F-58 over Creek	2007	278	Good
FM F-58 over Crooked Creek	2003	278	Good
Fm-n-36 over Creek	1975	278	Fair
Local over E Br West Nishnabotna R	1979	278	Fair
North Division St over Blue Grass Creek	2022	271	Good
N36 Pheasant Ave over Davids Creek	2021	240	Good
Local over Drainage	1945	226	Poor
Local over Creek	1934	216	Poor
FM over Blue Grass Creek	1962	210	Fair
FM over Nishnabotna	1959	170	Fair
FM over Blue Grass Creek	1993	120	Fair
FM F-32 over Creek	1965	110	Fair
FM over Buck Creek	1973	110	Good
FM over Creek	2002	110	Good
FM over Creek	2002	110	Good
FM over Nishnabotna River (ef)	1963	110	Fair
Local over E Nishnabotna River	1998	103	Good
FM over Nishnabotna River	1987	100	Good
Main St over Drainage	1978	95	Good
280TH St over Creek	2012	91	Good
Local over Creek	1936	91	Fair
FM N14 over Drainage Ditch	2002	89	Good
N16 Goldfinch Ave over Creek	2015	79	Good
Kilworth St over Davids Creek	1994	73	Fair
270 St over Indian Creek	2000	72	Good
Local over Creek	1929	72	Fair
FM over Creek	1930	71	Fair
FM over Creek	1936	71	Fair
Local over Creek	1973	62	Fair
Local over Elkhorn Creek	1973	62	Poor
FM F-65 over Crooked Creek	1936	60	Poor
FM N-14 over Trib of West Nishnabotna	1980	60	Good
FM over Creek	1920	60	Poor
FM over Creek	1939	60	Good
Lark Ave over Creek	2017	60	Good
Lark Ave over Nishnabotna River	2022	60	Good
305TH St over Troublesome Creek	2021	51	Good
Local over Creek	1977	51	Fair
Local over Creek	1973	51	Fair
FM F-16 over Creek	1924	50	Fair
FM over Creek	1952	50	Fair
Goldfinch Ave over Creek	2021	50	Good
Lark Ave over Br E Nishnabotna R	2018	50	Good
Local over Creek	2008	46	Fair
Local over Creek	1987	46	Fair
Local over Creek	1929	46	Fair
Local over Troublesome Creek	1925	46	Fair
FM over Creek	1945	45	Fair
FM over Indian Creek	1996	45	Good
Heron Ave over Creek	2017	41	Good
Local over E Br W Nishnabotna River	1986	41	Fair
Local over E Nishnabotna River	1996	41	Good
Local over E Nishnabotna River	1991	41	Good
Local over Indian Creek	1984	41	Good
Local over Trib of Troublesome Crk	1980	41	Fair
F 16 120TH St over E Nishnabotna River	2019	40	Good
FM over Creek	1946	40	Fair
FM over Creek	1938	40	Fair
FM over Honey Creek	2010	40	Good
Local over E Nishnabotna River	1940	40	Fair
Local over Stream	1941	40	Fair
120TH St over Creek	1941	35	Poor
140TH St over Creek	2013	35	Good
Jay Ave over Creek	1925	35	Fair
Local over E Nishnabotna River	1971	35	Poor
Local over Nishnabotna River	1958	35	Poor
Pheasant Ave over Creek	2019	35	Good
Swift Ave over Creek	1945	35	Fair
FM F-65 over Troublesome CR	1989	34	Good
FM over Br Nishnabotna River	1963	34	Fair
FM over Creek	1956	34	Poor
FM over Creek	1959	34	Fair
FM over Creek	2010	34	Good
FM over Creek	1981	34	Fair
FM over Creek	1946	34	Poor
FM over Drainage Ditch	1969	34	Fair
FM over East Nishnabotna River	1987	34	Good
Kingbird Ave over Br Nishnabotna River	2016	34	Good
315 St over Creek	2000	30	Good
Local over Buck Creek	1974	30	Fair
Local over Creek	1939	30	Fair
Local over Creek	1939	30	Fair
Local over Creek	2001	30	Good
Local over Creek	1938	30	Good
Local over Creek	1964	30	Poor
Local over Creek	1938	30	Fair
Local over Creek	1988	30	Fair
Local over Creek	1925	30	Fair
Local over Creek	1941	30	Poor
Local over Creek	1940	30	Good
Local over Creek	1994	30	Good
Local over Creek	1998	30	Good
Local over Davids Creek	1970	30	Poor
Local over Davids Creek	1964	30	Poor
Local over E Nishnabotna River	1984	30	Fair
Local over Lone Willow	1976	30	Fair
150 St over E Nishnabotna River	2000	29	Good
Lark Ave over Creek	2017	29	Good
Local over Creek	1918	29	Poor
FM over Creek	1949	26	Fair
FM over Creek	1963	26	Fair
FM over Creek	1970	26	Poor
FM over Davids Creek	1979	26	Good
Local over Br Nishnabotna	1959	26	Poor
Local over Creek	1956	26	Poor
Local over Creek	1967	26	Poor
Local over Creek	1994	26	Good
Local over Creek	1938	26	Poor
Local over E Nishnabotna River	1971	26	Poor
Local over Elkhorn Creek	1996	26	Good
Local over Troublesome Creek	1994	26	Good
130TH St over Creek	2023	21	Good
FM over Creek	1935	21	Poor
Local over Blue Grass	1934	21	Fair
Local over Br Blue Grass Creek	1925	21	Poor
Local over Creek	1935	21	Poor
Local over Creek	1940	21	Fair
Local over Creek	1950	21	Fair
Local over Creek	1938	21	Good
Local over Creek	1931	21	Fair
Local over Creek	1949	21	Fair
Local over Creek	1933	21	Poor
Local over Creek	1997	21	Fair
Local over Creek	1987	21	Poor
Local over Creek	1941	21	Fair
Local over E Br W Nishnabotna	1990	21	Fair
Local over Troublesome Creek	1959	21	Fair
Local(shelby!) over Creek	1928	21	Poor
130TH St over Creek	2021	20	Good
270TH St over Creek	1957	20	Fair
270TH St over Creek	1959	20	Poor
FM over Beaver Creek	1994	20	Good
FM over Creek	1948	20	Poor
FM over Elk Horn Creek	2002	20	Good
Fm-f-65 over Pleasant Run	1974	20	Good
160TH St over Creek	2016	15	Good
290TH St over Creek	1940	15	Poor
County Rd over Crooked Creek	1955	15	Fair
FM over Br Elkhorn Creek	1967	15	Fair
FM over Creek	1937	15	Fair
FM over Creek	1996	15	Good
FM over Creek	1932	15	Good
Local over Buck Creek	1985	15	Good
Local over Buck Creek	1975	15	Fair
Local over Creek	1969	15	Fair
Local over Creek	1924	15	Fair
Local over Creek	1933	15	Fair
Local over Creek	1932	15	Poor
Local over Creek	1939	15	Fair
Local over Creek	1928	15	Fair
Local over E Nishnabotna River	1924	15	Fair
Local over Unnamed Creek	1967	15	Fair
County Rd over Creek	1926	11	Fair
FM over Beaver Creek	1991	11	Good
FM over Creek	1936	11	Fair
FM over Creek	1936	11	Fair
Local over Creek	1900	11	Fair
Local over Creek	1967	11	Poor
Local over Creek	1966	11	Fair
Local over Creek	1933	11	Fair
Local over Creek	1926	11	Poor
Local over Creek	1939	11	Fair
Local over Indian Creek	1958	11	Fair
Local over Pleasant Run	1973	11	Fair
Mockingbird Ave over Creek	1993	11	Fair
1ST St over Drainage	1930	9	Poor
130TH St over Creek	2018	5	Good
FM over Creek	1932	5	Fair
Local over Creek	1950	5	Poor
Local over E Nishnabotna River	1924	5	Poor
Local over E Nishnabotna River	1971	5	Fair
N Division St over Blue Grass Creek	1933	–	Fair
Side Road over Drainage	1938	–	Fair

Source: FHWA National Bridge Inventory, 2025.

Audubon County bridge conditions · Iowa bridges by county.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.