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Every bridge in Mitchell County, Iowa

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

167 inventoried bridges, busiest first

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

Mitchell County, Iowa, has 167 bridges in the 2025 National Bridge Inventory: 81 rated good, 70 fair, and 16 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
Ia 9 over Cedar River	1992	2,990	Good
Ia 9 over Sugar Creek	2013	2,990	Good
US 218 over Otter Creek	1970	2,530	Fair
US 218 over Stream	1986	2,530	Good
US 218 over Stream	1967	2,530	Good
US 218 over Turtle Creek	1987	2,530	Good
US 218 & Ia 9 over Spring Creek	1975	2,460	Fair
US 218 & Ia 9 over Spring Creek	1967	2,460	Fair
Ia 9 over Rock Creek	1992	2,340	Good
US 218 over Stream	1979	2,260	Good
US 218 over Spring Creek	1975	2,030	Fair
US 218 over Stream	1932	2,030	Good
Lancer Ave over Big Cedar River	2002	1,905	Fair
Ia 9 over Little Cedar River	1979	1,900	Good
Ia 9 over Wapsipinicon River	1979	1,780	Fair
Broad St over Small Natural Stream	2019	1,489	Good
Ia 9 over Soap Creek	1978	1,350	Good
Foothill Ave over Big Cedar River	1950	1,021	Good
Lancer Ave over Small Natural Stream	1925	1,011	Poor
Monument Ave over Small Stream	1987	786	Good
T 40 Monument Ave over Creek	2022	786	Good
105 450TH St over Deer Creek	2023	756	Good
Old Ia 105 over Cedar River	1989	746	Good
Old Ia 105 over Turtle Creek	1930	746	Fair
Glass Ave over Rock Creek	1977	678	Fair
465TH over Drainage	1935	619	Fair
Underwood Ave over Creek	1970	570	Fair
Underwood Ave over Creek	1994	570	Fair
Orchard Rd over Spring Creek	1980	520	Fair
Primrose Ave over Burr Oak Creek	1960	501	Fair
School St over Little Cedar River	1986	470	Fair
Walnut Ave over Small Stream	1950	462	Fair
Walnut Ave over Wapsipinicon River	1940	462	Poor
420TH over Big Cedar River	1963	422	Fair
430TH over Beaver Creek	1953	403	Fair
430TH over Creek	1953	403	Poor
430TH over Little Cedar River	1984	403	Fair
Hickory Ave over Cedar River	1959	403	Good
S70 Balsam Ave over Rock Creek	2022	354	Good
370TH over Sugar Creek	2004	333	Good
470TH over Wapsipinicon River	1984	295	Fair
385TH over Sugar Creek	1998	285	Good
Cameo Ave over Creek	1919	285	Fair
320TH over Fish Creek	1965	226	Poor
320TH over Little Cedar River	1931	226	Poor
390TH over Rock Creek	1973	216	Poor
480TH over Big Cedar River	1979	216	Fair
480TH over Small Stream	1984	216	Poor
Hickory Ave over Drainage	1993	196	Good
380TH over Rock	1970	177	Good
March Ave over Spring Creek	1966	177	Fair
Lawrence St over Drainage	1950	167	Poor
Lime Kiln Rd over Big Cedar River	1992	167	Fair
Rampart Ave over Creek	1967	167	Fair
Zinnia Ave over Deer Creek	1999	167	Good
Zinnia Ave over Small Stream	1984	167	Fair
March Ave over Spring Creek	2009	138	Good
460TH St over Wapsipinicon	1983	118	Fair
319TH over Creek	2003	108	Good
370TH over Drainage Ditch	1969	108	Good
340TH over Spring Creek	1927	97	Fair
Noble Ave over Burr Oak Creek	1973	79	Good
Quail Ave over Creek	2000	79	Good
340TH over Creek	2001	78	Fair
430TH over Wapsipinicon River	1988	78	Good
450TH over Little Cedar River	1992	78	Fair
Hickory Ave over Stream	1987	78	Fair
340TH over Little Cedar River	1981	70	Good
410TH St over Beaver Creek	2018	70	Good
500TH over Wapsipinicon River	1977	70	Good
Echo Ave over Willow Creek	2005	70	Good
Kirkwood Ave over Sugar Creek	1974	70	Fair
Noble Ave over Creek	2001	70	Good
T34 Jersey Ave over Creek	2016	69	Good
316TH over Rock Creek	1990	59	Good
400TH over Burr Oak Creek	1975	59	Fair
440TH over Deer Creek	1950	59	Poor
Cameo Ave over Willow Creek	2005	59	Good
Echo Ave over Otter Creek	1930	59	Fair
Epic Ave over Creek	1995	59	Good
Noble Ave over Spring Creek	1977	59	Fair
Quail Ave over Creek	2000	59	Good
Rampart Ave over Small Stream	1974	59	Poor
Shadow Ave over Burr Oak Creek	1974	59	Good
Underwood Ave over Creek	1975	59	Fair
340TH St over Creek	2017	49	Good
385TH over Small Stream	1973	49	Fair
440TH over Turtle Creek	1975	49	Good
450TH St over Creek	2013	49	Good
490TH over Little Cedar River	1989	49	Good
Jersey Ave over Sugar Creek	1975	49	Fair
Local over Big Cedar River	1978	49	Fair
Noble Ave over Spring Creek	2002	49	Fair
Shadow Ave over Little Cedar River	1995	49	Good
T54 Timber Ave over Beaver Creek	2015	49	Good
Timber Ave over Beaver Creek	2004	49	Good
Timber Ave over Beaver Creek	2000	49	Good
325TH over Rock Creek	1956	44	Fair
340TH over Rock Creek	1977	44	Good
380TH over Burr Oak Creek	1975	44	Good
380TH over Little Cedar River	1979	44	Fair
480TH St over Creek	1970	44	Fair
480TH St over Drainage	1997	44	Good
480TH St over Little Cedar River	2004	44	Good
490TH over Creek	1992	44	Fair
Dancer Ave over Deer Creek	1979	44	Good
Echo Ave over Rock Creek	1920	44	Fair
Local over Wapsipinicon River	2006	44	Good
390TH over Creek	1986	39	Good
Kirkwood Ave over Creek	1930	39	Fair
Kirkwood Ave over Rock Creek	1955	39	Fair
Timber Ave over Beaver Creek	2012	39	Good
Jersey Ave over Rock Oak Creek	1974	34	Fair
340TH over Small Stream	1974	33	Fair
350TH over Spring Creek	1973	33	Fair
390TH over Wapsipinicon River	1995	33	Fair
450TH over Small Stream	1974	33	Fair
485TH over Creek	1974	33	Good
490TH St over Creek	1984	33	Fair
A19 Underwood Ave over Wapsipinicon River	2021	33	Good
Cameo Ave over Rock Creek	1974	33	Fair
Dancer Ave over Otter Creek	2009	33	Good
Echo Ave over Creek	1998	33	Good
Echo Ave over Small Stream	1987	33	Good
March Ave over Burr Oak Creek	1996	33	Good
Primrose Ave over Little Cedar River	1908	33	Poor
T28 Hickory Ave over Turtle Creek	2013	33	Good
Underwood Ave over Soap Creek	2005	33	Good
Valley Ave over Creek	1971	33	Fair
Valley Ave over Creek	2002	33	Good
410TH over Burr Oak Creek	1975	30	Fair
325TH over Small Stream	1985	29	Fair
370TH St over Rock Creek	2018	29	Good
380TH over Soap Creek	2004	29	Good
385TH over Burr Oak Creek	1954	29	Fair
400TH over Beaver Creek	1915	29	Poor
400TH over Creek	1978	29	Fair
405TH over Little Cedar River	1974	29	Good
Noble Ave over Creek	1974	29	Fair
Quail Ave over Creek	1977	29	Fair
Timber Ave over Wapsipinicon River	1959	29	Poor
320TH St over Creek	2020	26	Good
450TH over Small Stream	1974	26	Fair
Cameo Ave over Creek	1920	26	Fair
Foothill Ave over Rock Creek	1981	26	Fair
March Ave over Creek	2013	26	Good
State Line St over Little Cedar River	1985	26	Fair
Underwood Ave over Creek	1997	26	Good
Echo Ave over Creek	1989	25	Fair
Ocean Ave over Little Cedar River	2003	21	Good
340TH over Creek	1972	20	Fair
465TH over Wapsipinicon River	2010	20	Good
A43 390TH St over Soap Creek	2017	20	Good
Balsam Ave over Creek	1930	20	Fair
Noble Ave over Spring Creek	2008	20	Good
Primrose Ave over Creek	1950	20	Poor
395TH over Burr Oak Creek	1920	15	Fair
400TH over Soap Creek	1992	15	Fair
420TH over Burr Oak Creek	1966	15	Poor
490TH over Wapsipinicon River	1997	15	Good
Windfall Ave over Creek	2012	15	Good
317TH St over Creek	2016	11	Good
330TH over Fish Creek	1974	11	Good
440TH over Beaver Creek	2016	11	Good
440TH over Small Stream	1986	11	Good
Dancer Ave over Rock Creek	1925	11	Fair
Valley Ave over Creek	1960	11	Poor

Source: FHWA National Bridge Inventory, 2025.

Mitchell County bridge conditions · Iowa bridges by county.

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