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Every bridge in Marshall County, Iowa

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

303 inventoried bridges, busiest first

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

Marshall County, Iowa, has 303 bridges in the 2025 National Bridge Inventory: 100 rated good, 73 fair, and 130 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 30 over Davisons Creek	1954	14,700	Fair
Ia 14 over Linn Creek	1985	13,300	Good
Ia 14 over UP RR Madison&market St	1985	13,300	Fair
So. 6TH St. over Linn Creek	1984	11,300	Fair
So Center St over Linn Creek	1951	10,448	Poor
So Center St over RR and Madison St	1951	9,491	Poor
Ia 330 SB over North Timber Creek	1979	9,000	Good
S 3RD St over UP RR & St	1984	9,000	Fair
Ia 330 NB over North Skunk River	1969	8,300	Fair
Ia 330 over Drainage Ditch	1982	8,300	Good
US 30 WB over UP RR	2001	7,500	Good
WB US 30 over Timber Creek	1995	7,450	Good
US 30 EB over over UP RR	1986	7,350	Good
EB US 30 over Timber Creek	1996	7,300	Good
US 30 WB over UPRR	2003	7,200	Good
US 30 EB over UPRR	2004	7,050	Good
S. 18TH Ave over over UP RR	1980	6,813	Poor
Ia 14 over Drainage Ditch	1952	5,900	Fair
US 30 WB over Iowa #146	2002	5,450	Good
US 30 EB over Iowa #146	2002	5,300	Good
US 30 WB over Oaks Ave	1996	5,200	Good
US 30 WB over Ramp B to Ia Ave	1996	5,200	Good
US 30 EB over Oaks Ave	1996	5,100	Good
US 30 EB over Ramp B to Ia Ave	1996	5,100	Good
E Nevada St over Linn Creek	1987	5,041	Fair
Ia 14 over Trib. Burnett Creek	1987	4,500	Good
Ia 330 NB over North Timber Creek	2002	4,500	Good
Ia 14 over Middle Timber Creek	1985	4,250	Fair
Ia 14 over Timber Creek	1992	4,250	Fair
Ia 14 over Little Asher Creek	1987	4,220	Good
Ia 330 SB over Clear Creek	2002	4,150	Good
Ia 330 SB over North Skunk River	2002	4,150	Good
Ia 330 over Clear Creek	1979	4,150	Fair
Ia 14 over South Timber Creek	1985	3,920	Good
E Anson St over Anson Creek	1976	3,603	Fair
WB US 30 over Ia 14	1995	3,600	Good
Local over UP RR & Lynn Ck	1971	3,584	Poor
EB US 30 over Ia 14	1995	3,550	Good
E Main St over Linn Creek	1972	3,399	Fair
NB Ia 330 over US 30	2001	3,050	Good
SB Ia 330 over US 30	2006	3,050	Good
NB Ia 14 over Iowa River	1968	2,950	Fair
SB Ia 14 over Iowa River	1987	2,950	Fair
S 18TH Ave over US 30	1995	2,847	Good
FM over Iowa River	1955	2,838	Poor
FM over Rock Creek	1965	2,838	Poor
Ia 330 over Iowa River	2001	2,790	Good
Ia 330 over Stream	1970	2,780	Good
E Olive St over Anson Creek	1967	2,517	Fair
Ia 330 over Linn Creek	1964	2,390	Fair
Summit St over Stream	2012	2,348	Good
Ia 146 over Drainage Ditch	1979	2,200	Good
Ia 146 over Stream	2013	2,200	Good
Ia 146 over UP RR	2019	2,200	Good
FM over Rock Creek	1971	1,964	Fair
N. 18TH Ave. over Linn Creek	1990	1,783	Good
New Highland Ac over Lynn Creek	2008	1,738	Good
New Highland Ac over UP RR	2008	1,738	Fair
N 13TH St over Stream	2012	1,661	Good
Highland Acres Rd over Linn Creek	2007	1,630	Good
Ia 96 over Devils Run Creek	2015	1,560	Good
Ia 330 over Asher Creek	1957	1,490	Good
Ia 330 over Chicken Creek	1957	1,490	Fair
FM over Creek	1963	1,483	Fair
E South St over Anson Creek	1973	1,453	Fair
FM over Iowa River	1953	1,365	Poor
S 12TH St over Linn Creek	1967	1,280	Fair
May St over Anson Creek	1975	1,213	Fair
W Olive St over Creek	2013	1,205	Good
FM over Burnett Creek	1985	1,061	Fair
Governor Rd over Reloc US 30	1995	978	Good
FM over N Timber Creek	1963	903	Poor
N 16TH St over Drainage	1951	814	Good
FM over Small Creek	1985	746	Fair
FM over Linn Creek	1988	737	Poor
FM over Small Stream	1984	737	Fair
North Center St over Iowa River	2021	737	Good
North Center St over Iowa River Overflow	2021	737	Good
North Center St over Iowa River Overflow	2021	737	Good
North Center St over Iowa River Overflow	2020	737	Good
E29 Summit Rd over Creek	2005	717	Good
FM over Lutes Creek	1957	697	Poor
Walnut St over Abandon RR	1977	689	Poor
FM over North Skunk River	1965	628	Fair
FM over Small Stream	1985	619	Fair
E18 Marble Rd over Little Asher Creek	2015	530	Good
E18 Marble Rd over Stream	2015	530	Good
FM over Brush Creek	2002	511	Good
FM over Small	1983	509	Poor
FM over Minerva Creek	2001	501	Good
W State St over Drainage	1900	472	Poor
FM over Brush Creek	2002	442	Good
FM over Little Asher CR	1968	432	Poor
So 3RD Ave over Anson Creek	1979	418	Poor
FM over N Skunk River	1956	413	Fair
FM E-41 over Br Linn Creek	1996	412	Good
E29 190TH St over Minerva Creek	2001	383	Good
FM over Linn CR	1956	369	Poor
FM over Minerva Creek	1995	363	Fair
FM over Honey Creek	2004	354	Good
Local over Drainage	2006	340	Good
Local over Stream	2009	324	Good
SR E 18 over Iowa River	2011	324	Good
FM over Branch Burnette Creek	1984	304	Poor
FM over Burnett Creek	1994	304	Good
FM over Big Minerva Creek	1967	265	Poor
FM over Clear Creek	2006	265	Good
FM over Mud Creek	1967	265	Poor
FM over Minerva Creek	1982	255	Fair
FM over Minerva Creek	1981	255	Fair
FM over Mud Creek	1981	255	Fair
Local Rd over Timber Creek	1977	227	Poor
FM over Linn Creek	1963	216	Poor
FM over Big Minerva Creek	1999	187	Fair
FM over Timber Creek	1991	187	Fair
FM over Small Stream	1984	177	Fair
260TH St over North Timber Creek	2021	176	Good
Bryant St over Drainage	2004	160	Good
FM over N Timber CR	1989	157	Fair
FM over Small Stream	1984	157	Fair
Local over Linn CR	1916	157	Poor
Local over Creek	1955	148	Poor
FM over Linn Creek	1987	147	Fair
FM over Linn Creek	2007	147	Good
FM over Middle Minerva Creek	2005	147	Fair
FM over Minerva Creek	1916	147	Poor
FM over Minerva Creek	1997	147	Good
FM over Minerva Creek	1997	147	Good
Local over Creek	1916	145	Poor
Parker Ave over US 30	1996	131	Good
Marsh Ave over US 30	1995	128	Good
Local over Creek	1916	123	Poor
FM over Little Asher CR	1916	118	Poor
Durham Ave over North Skunk River	1973	113	Fair
Local over Br Timber Creek	1992	113	Good
Local over North Timber Creek	1979	113	Fair
FM over Creek	1917	108	Poor
FM over Creek	2004	108	Good
FM over Middle Timber Creek	1979	108	Fair
FM over N Timber Creek	1973	108	Fair
Local over Creek	1953	104	Poor
Parker Ave over North Timber Creek	2014	104	Good
FM over Raven Creek	1978	98	Fair
Local over Timber Creek	1942	91	Fair
FM over South Timber Creek	1942	88	Poor
Local over Br of Burnett CR	2008	82	Good
Local over Branch N Skunk River	1910	82	Poor
Local over Burnett Creek	1979	82	Fair
Local over Lutes Creek	1938	82	Poor
Local over Lutes Creek	1937	82	Poor
FM over N Skunk River	1917	79	Poor
FM over Stream	1935	79	Poor
FM over Timber Creek	1947	79	Poor
Local over Creek	1944	73	Poor
320TH St over Clear Creek	2017	69	Good
FM over Burnett Creek	1921	69	Poor
FM over Devils Run Creek	1940	69	Poor
FM over Iowa River	1985	69	Fair
FM over Overflow	1984	69	Fair
140TH St over Minerva Creek	1912	62	Poor
Jessup Ave over Linn CR	2000	62	Good
Jessup Ave over Minerva Creek	2023	62	Good
Local over Creek	1939	62	Poor
Local over Lutes Creek	1984	62	Fair
Local over Nickolson Creek	1984	62	Fair
Local over Rock CR	1942	62	Poor
105TH St over Honey Creek	2016	59	Good
FM over Creek	2004	59	Good
FM over Minerva Creek	1957	59	Poor
FM over South Timber Creek	1954	59	Poor
FM over Timber Creek	1945	59	Poor
Local over Creek	2003	59	Good
Local over Brush Creek	2006	51	Good
Local over Linn Creek	1999	51	Good
Local over Middle Timber Creek	1916	51	Poor
Local over Small	1979	51	Poor
Local over Snipe Creek	1915	51	Poor
Local over Lake	1968	50	Fair
FM over Iowa River	1952	49	Poor
FM over North Timber Creek	1984	49	Fair
Local over Creek	1956	49	Poor
Local over N Skunk River	1917	49	Poor
150TH St over Burnett CR	1979	47	Poor
Local over Brush Creek	1917	47	Poor
Local over Brush Creek	1977	47	Poor
Local over Burnett CR	1940	47	Fair
Local over Creek	1918	47	Poor
Local over Little Asher Creek	1980	47	Fair
Local over Clear Creek	1993	45	Good
E67 330TH St over Little Snipe Creek	2023	44	Good
Local over Linn CR	1945	44	Poor
Local over South Timber Creek	1938	44	Poor
Local over Branch North Timber Crk	1924	41	Poor
Local over Branch S Timber Creek	2005	41	Good
Local over Linn CR	1989	41	Fair
Local over Middle Timber Creek	1940	41	Poor
Local over Mud Creek	1946	41	Poor
Local over Br Minerva Creek	1941	40	Poor
FM over Creek	1962	39	Fair
FM over Davisons Creek	1979	39	Fair
FM over Minerva Creek	1981	39	Poor
FM over Snipe Creek	1980	39	Fair
FM over South Timber Creek	1957	39	Poor
Local over Dowd Creek	1916	39	Poor
Local over Little Asher CR	1984	39	Poor
Local over Burnett CR	2004	35	Good
Local over Clear Creek	1971	35	Fair
Local over Creek	1917	35	Poor
Local over Creek	1918	35	Poor
Local over Snipe Creek	1918	35	Poor
Local over Snipe Creek	1917	35	Poor
Local over South Timber Creek	1949	34	Poor
Local over Br Wolf Creek	1953	33	Poor
155TH St over Minerva Creek	2017	30	Good
Local over Br Linn CR	1942	30	Poor
Local over Br Minerva CR	1919	30	Poor
Local over Branch N Timber Creek	1920	30	Poor
Local over Brush Creek	1964	30	Poor
Local over Creek	1918	30	Poor
Local over Creek	1940	30	Poor
Local over Davisons Creek	2005	30	Good
Local over Linn Creek	1919	30	Poor
Local over Minerva CR	1946	30	Poor
Local over Minerva CR	2006	30	Good
Local over Minerva CR	1919	30	Poor
Local over N Skunk River	1916	30	Fair
Local over North Timber Creek	1951	30	Poor
Local over Raven Creek	1934	30	Poor
Local over Rock CR	1950	30	Poor
Local over South Timber Creek	1971	30	Fair
FM over Asher Creek	2004	29	Good
FM over Creek	1963	29	Poor
FM over Lutes Creek	1940	29	Poor
Local over Asher Creek	1955	29	Poor
Local over North Skunk River	1938	29	Poor
310TH St over Snipe Creek	2012	26	Good
Local over Br Minerva CR	1984	26	Poor
Local over Br Raven Creek	1986	26	Poor
Local over Br Timber Creek	1990	26	Good
Local over Branch N Skunk River	1940	26	Poor
Local over Clear Creek	1941	26	Poor
Local over Minerva CR	1949	26	Poor
Local over Minerva CR	1950	26	Poor
Local over Mud Creek	1985	26	Poor
Local over Snipe Creek	2003	26	Good
FM over Creek	1918	25	Poor
Local over North Skunk River	1985	25	Fair
Local over Br Minerva Creek	1992	21	Good
Local over Creek	1920	21	Fair
Local over Creek	1947	21	Poor
Local over Creek	1940	21	Poor
Local over Davisons Creek	1951	21	Poor
Local over Linn Creek	1916	21	Poor
Local over Linn Creek	1939	21	Fair
Local over Little Asher Creek	1944	21	Poor
Local over Minerva CR	1917	21	Poor
Local over N Minerva Creek	1917	21	Poor
Local over North Timber Creek	1998	21	Good
Local over Snipe Creek	1939	21	Poor
Parker Ave over South Timber Creek	1950	21	Poor
E67 (330TH St) over North Skunk River	2014	20	Good
Local over Br Minerva Creek	1988	20	Fair
Local over Burnett CR	1957	20	Poor
Local over Creek	1945	20	Poor
Local over Creek	1949	20	Fair
Local over Creek	1989	20	Good
Local over Davisons Creek	1978	20	Poor
Local over Small	1983	20	Poor
Local over Snipe Creek	2003	20	Good
Local over Snipe Creek	1920	20	Poor
Local over Stream	2009	20	Good
277TH St over Clear Creek	2021	16	Good
Local over Br Minerva CR	1947	16	Poor
Local over Br Minerva Creek	1947	16	Fair
Local over Brush Creek	1917	16	Poor
Local over Creek	1956	16	Poor
Local over Dowd Creek	1916	16	Poor
Local over Middle Timber Creek	1938	16	Fair
Local over Snipe Creek	1950	16	Poor
Local over South Timber Creek	1939	16	Poor
Arney Ave over Minerva Creek	2000	15	Good
FM over Minerva Creek	1915	15	Poor
Local over Br Minerva CR	1917	15	Poor
Local over Branch N Skunk River	1954	15	Poor
Local over Branch S Timber Creek	1951	15	Poor
Mormon Ridge Rd over Stream	2021	15	Good
Local over Br Burnett CR	1957	11	Fair
Local over Branch S Timber Creek	1938	11	Poor
Local over Branch Snipe Creek	1920	11	Poor
Local over Clear Creek	1950	11	Poor
Local over Creek	1941	11	Fair
Local over Creek	1983	11	Poor
Local over Mud Creek	1945	11	Poor
Local over Mud Creek	1957	11	Fair
Local over South Timber Creek	1932	11	Poor
Local over Stream	1981	11	Poor
Local over Branch N Skunk River	1939	10	Poor
Local over Burnett CR	1917	5	Poor
Local over Minerva CR	1945	5	Poor
Local over North Timber Creek	1950	5	Poor
Local over Rock CR	1950	5	Fair
Local over Snipe Creek	2004	5	Good
Memorial Dr over Braddy Creek	1995	–	Good

Source: FHWA National Bridge Inventory, 2025.

Marshall County bridge conditions · Iowa bridges by county.

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