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Every bridge in Montgomery County, Iowa

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

209 inventoried bridges, busiest first

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

Montgomery County, Iowa, has 209 bridges in the 2025 National Bridge Inventory: 44 rated good, 113 fair, and 52 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 48 over Stream	1931	7,600	Fair
Ia 48 over Red Oak Creek	1918	4,460	Fair
US 34 over East Nishnabotna River	1964	4,460	Fair
US 34 over Crabapple Creek	1964	4,030	Fair
US 34 over Indian Creek	1964	4,030	Fair
US 34 over Tarkio River	1964	3,990	Fair
US 34 over West Tarkio Creek	1964	3,990	Fair
US 34 over Walnut Creek	1964	3,730	Good
US 34 over Little Tarkio Creek	1964	2,880	Fair
US 34 over Middle Nodaway River	1964	2,240	Fair
FM over Nishnabotna River	1997	2,231	Good
US 71 over Middle Nodaway River	1972	2,090	Fair
Ia 48 over East Nishnabotna River	1973	2,080	Fair
US 71 over US 34	1971	2,040	Fair
Ia 48 over Morman Branch Creek	1987	2,000	Good
US 71 over BNSF RR	1972	1,640	Fair
3RD St over Red Oak Creek	1965	1,543	Fair
Local Road over Branch of Tarkio Creek	2003	1,404	Good
US 71 over Fultons Creek	1972	1,390	Fair
US 71 over Long Branch Creek	1970	1,390	Fair
US 71 over Longs Branch	1970	1,390	Good
US 71 over Sin Creek	1970	1,390	Good
US 71 over West Nodaway River	1972	1,370	Fair
EB US 34 over West Nodaway River	1964	1,325	Fair
WB US 34 over West Nodaway River	1970	1,325	Fair
FM over Red Oak Creek	1968	1,275	Fair
Ia 48 over Coe Creek	1974	1,210	Good
Ia 48 over East Nishnabotna River	1960	1,210	Fair
Ia 48 over Overflow Nishnabotna	1973	1,210	Fair
Old US 71 over BNSF RR	1929	1,187	Poor
4TH St over Red Oak Creek	1965	861	Poor
Halland Ave over Drainage	1960	779	Fair
FM over Nishnabotna River	2002	761	Good
FM over Walnut Creek	1967	750	Poor
Broad Ave over Small Stream	1949	699	Fair
2ND St over Red Oak Creek	1968	650	Fair
Eastern Ave over Red Oak Creek	1980	649	Good
8TH St over Red Oak Creek	1964	571	Fair
FM over Walnut Creek	1956	528	Poor
Broad Ave over Branch Tarkio Creek	1983	527	Fair
FM over Little Tarkio Creek	1993	509	Fair
FM over Tarkio Creek	1978	509	Fair
W 2ND St over Red Oak Creek	1965	501	Fair
W 4TH St over Red Oak Creek	1986	501	Fair
Elm St over Coe Creek	1972	500	Fair
Nuckols St over Red Oak Creek	1971	479	Fair
FM over Crabapple Creek	1994	436	Fair
Third St over Middle Nodaway	1939	415	Poor
FM over Tarkio Ck	1977	338	Fair
FM over W Nodaway River	1987	338	Fair
Forest Ave over Red Oak Creek	1955	321	Fair
FM over W Nodaway	1939	300	Poor
FM over over BNSF RR	1966	300	Fair
H54 265TH St over West Nodaway	2017	300	Good
Highland Ave over Red Oak Creek	2009	292	Good
FM over Tarkio Creek	1988	274	Fair
FM over Tarkio Creek	1994	274	Good
FM over Indian Creek	1957	270	Poor
FM over Seven Mile Creek	2007	259	Good
FM over Tarkio Creek	2006	259	Good
M37 Boxelder Ave over BNSF RR	2014	249	Good
FM over Little Tarkio	1958	219	Poor
FM over Tarkio Creek	1955	219	Poor
FM over Tarkio Creek Trib	1959	219	Poor
FM over Crabapple Creek	1958	199	Poor
FM over Walnut Creek	1967	199	Fair
Center St over Drainage	1976	186	Fair
FM over Nishnabotna Trib	1957	173	Poor
FM over Stream	1970	170	Fair
FM over Tarkio Creek	1949	159	Poor
H20 (150TH St) over Nishnabotna River	2013	159	Good
FM over Walnut Creek	1988	153	Fair
FM over Walnut Creek Trib	1965	153	Poor
FM over Walnut Creek Trib	1965	153	Fair
FM over Walnut Creek Trib	1966	150	Fair
Frankfort St over Drainage	1967	150	Fair
Nuckols St over Red Oak Creek	2001	150	Good
FM over Bayou-nishnabotna	1999	133	Good
FM over Nishnabotna River	1972	133	Fair
FM over Indian Creek Trib	1957	131	Fair
FM over Nishnabotna Trib	1959	120	Fair
G13 U Ave over West Nodaway River	2018	120	Good
Local Road over Local Creek	1963	112	Poor
Fm-210th Street over Middle Nodaway River	2004	100	Good
Local Rd over M Nodaway River	1952	100	Poor
M37 Boxelder Ave over Crabapple Creek	2021	100	Good
FM over Little Tarkio Trib	1964	89	Poor
Local over Nishnabotna Trib	1968	89	Fair
Local over Tarkio Creek	1971	89	Fair
Chestnut St. over Coe Creek	1996	79	Fair
FM over Tributary to Nodaway	2010	79	Good
Local over Nishnabotna Trib	1974	79	Fair
FM over Nishnabotna Trib	1959	72	Fair
FM over Little Tarkio	1959	71	Fair
FM over West Nodaway	2003	71	Good
FM over Walnut Creek	1988	61	Good
Local Road over Minor Drainage	1930	61	Poor
Local over over BNSF RR	1977	61	Poor
FM over Creek	1975	60	Fair
FM over Little Tarkio Trib	1947	60	Poor
FM over Nishnabotna	1942	60	Poor
FM over W Nodaway River	1999	60	Good
Local over Nodaway River	1993	60	Fair
Local over Tarkio Creek	1949	60	Poor
Local over Walnut Creek	1957	60	Fair
Local over West Nodaway River	1924	58	Poor
Local over Nishnabotna Trib	1965	51	Fair
FM over East Tarkio Creek	1969	50	Fair
FM over Trib of W Nodaway	1995	50	Fair
FM over West Nodaway Trib	1959	50	Fair
Local over Little Tarkio	1967	50	Fair
Local over Nishnabotna Trib	1992	50	Good
Local over Nodaway River	1982	50	Fair
FM over East Tarkio	1969	45	Fair
FM over Indian Creek	1957	45	Fair
FM over Sin Creek	1959	45	Fair
FM over Tarkio Creek	1959	45	Fair
Local Rd over West Nodaway River	1940	45	Poor
Local over Drainage	1992	45	Fair
FM over Nishnabotna Trib	1968	41	Fair
Local over Nishnabotna Trib	2003	40	Good
SR N18 (t Ave) over Trib W Nodaway River	2011	40	Good
Local Rd over Local Drainage	1961	35	Fair
FM over Br Nodaway West	1958	34	Fair
FM over Nishnabotna Trib	1957	34	Fair
Local Rd over Little Tarkio Creek	1957	34	Fair
Local Road over Tarkio Creek	1996	34	Good
Local over Crabapple Creek	1967	34	Fair
Local over Local Creek	1992	34	Fair
180TH St over Little Tarkio Creek	2023	30	Good
210TH St over Walnut Creek	2019	30	Good
250TH St over Walnut Creek	2011	30	Good
FM over Little Tarkio Trib	1947	29	Poor
FM over Nishnabotna Trib	1949	29	Poor
FM over West Nodaway	1957	29	Fair
H20 140TH St over Seven Mile Creek	2022	29	Good
Local Road over Tarkio Creek	1961	29	Fair
Local over Crabapple Creek	1984	29	Fair
Local over Crabapple Creek	1968	29	Fair
Local over Indian Creek	1956	29	Fair
Local over Seven Mile Creek	1972	29	Fair
N18 T Ave over W Nodaway River	2015	29	Good
FM over Indian Creek Trib	1957	26	Fair
FM over Tarkio Creek Trib	1970	26	Fair
Local Rd over Minor Drainage	1998	26	Fair
Local Rd over W Nodaway River	1970	26	Poor
Local Road over Walnut Creek	1967	26	Fair
Local over Branch Tarkio Creek	1961	26	Fair
Local over Indian Creek	1994	26	Good
Local over Indian Creek Trib	1971	26	Fair
Local over Nodaway Trib	1961	26	Fair
Local over Tarkio CR	1974	26	Fair
Local over Walnut Creek	1984	26	Fair
M55 J Ave over Nishnabotna Trib	2003	26	Good
100TH St over Drainage	1990	20	Fair
FM over Indian Creek	2010	20	Good
Local Road over Indian Creek	1977	20	Good
Local Road over Local Stream	1996	20	Fair
Local Road over Local Stream	1985	20	Poor
Local Road over Minor Drainage	1971	20	Poor
Local Road over Walnut Creek	1951	20	Poor
Local over Crabapple Creek	1968	20	Fair
Local over Drainage	1945	20	Poor
Local over Drainage	1942	20	Poor
Local over Indian Creek	1968	20	Fair
Local over Local Ck	1979	20	Fair
Local over Minor Drainage	1966	20	Fair
Local over Nodaway River	1968	20	Poor
Local over Rama Creek	1972	20	Fair
Local over Sin CR	1974	20	Fair
Local over Trib Seven Mile	1999	20	Good
Local over Walnut Creek	1978	20	Good
100TH St over Drainage	2015	15	Good
230TH St over Walnut Creek	2019	15	Good
FM over Tarkio Creek	1957	15	Fair
Local Rd over Branch Tarkio Creek	1959	15	Poor
Local Rd over Indian Creek	1971	15	Fair
Local Road over Little Tarkio Creek	1960	15	Fair
Local Road over Local Creek	1998	15	Fair
Local Road over Walnut Creek	1930	15	Poor
Local over Drainage	1952	15	Poor
Local over Drainage	1990	15	Good
Local over Indian Creek	1997	15	Fair
Local over Sin Creek	1964	15	Fair
Local over Tarkio Creek	1958	15	Fair
Local over Tarkio Creek Trib	1956	15	Poor
Redwood Ave over BNSF RR	1913	15	Poor
County Road over Br Tarkio Creek	1956	11	Poor
County Road over Branch Tarkio Creek	1959	11	Fair
FM over West Nodaway Trib	1961	11	Fair
Local Rd over Little Tarkio Creek	1950	11	Poor
Local Rd over Tarkio Creek	1966	11	Poor
Local Road over Ashby Creek	1975	11	Fair
Local Road over Branch of Tarkio Creek	1992	11	Fair
Local over Br Walnut Creek	1988	11	Poor
Local over Crabapple Creek	1979	11	Fair
Local over Drainage	1966	11	Poor
Local over Seven Mile Creek	1983	11	Fair
Local over Walnut Creek	1966	11	Poor
Local-cass#104b over Tarkio Creek	1990	11	Poor
Local over Crapable Tree	2000	5	Good
Local over Drainage	1987	5	Poor
Local over Drainage	1969	5	Poor
Local over Drainage	1945	5	Poor
Local over Minor Drainage	1966	5	Poor
Local over Nishnabotna Trib	1970	5	Poor
Local over Small Stream	1985	5	Poor
Local over Small Stream	1987	5	Fair
Local over Trib Tarkio	1955	5	Poor

Source: FHWA National Bridge Inventory, 2025.

Montgomery County bridge conditions · Iowa bridges by county.

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