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Every bridge in Louisa County, Iowa

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

151 inventoried bridges, busiest first

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

Louisa County, Iowa, has 151 bridges in the 2025 National Bridge Inventory: 48 rated good, 81 fair, and 22 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 61 over Iowa River	1980	4,950	Fair
US 61 over Millrace Creek	1985	4,950	Fair
US 61 over Muskrat Lake	1985	4,950	Fair
US 61 over Overflow Iowa River	1985	4,950	Fair
US 61 over Overflow Iowa River	1985	4,950	Fair
US 61 over Overflow Iowa River	1985	4,950	Fair
US 61 over Drainage Ditch	1985	4,420	Fair
US 61 over Honey Creek	1997	4,420	Good
Ia 92 over Monkey Run Creek	1984	4,240	Fair
Ia 92 over Iowa River	1985	4,090	Fair
Ia 92 over Drainage Ditch #25	1976	3,410	Fair
Ia 92 over Indian Creek	1992	3,410	Fair
Ia 92 over Little Indian Creek	1977	3,410	Fair
US 61 NB Ia 92 EB over Dme RR	1977	3,350	Fair
US 61 SB Ia 92 WB over Dme RR	2016	3,350	Good
Ia 92 over Main St & Collins Rd	1995	3,170	Fair
Ia 92 over Monkey Run Creek	1984	2,850	Fair
Ia 70 over Iowa River	1989	2,840	Fair
US 61 NB Ia 92 EB over 170TH St	2017	2,800	Good
US 61 SB Ia 92 WB over 170TH St	2017	2,800	Good
US 61 NB over Ia 92	2017	2,225	Good
US 61 SB over Ia 92	2017	2,225	Good
2ND Street over Monkey Creek	1995	2,140	Good
Ia 78 over Honey Creek	2022	2,030	Good
Ia 78 over Stream	1952	1,480	Fair
FM over Small Stream	1991	1,470	Fair
Ia 70 over Short Creek	1994	1,170	Fair
Walnut St over Monkey Run	1935	1,140	Fair
X 99 Franklin St over Iowa River	2020	880	Good
FM over Small Stream	1969	840	Fair
Linn St over Indian Creek	1986	780	Poor
FM over Small Stream	1950	690	Good
FM over Muscatine Slough	1972	660	Fair
FM over Small Stream	1960	660	Poor
Local over Michael Creek	1983	650	Fair
Local over Muscatine Slough	1968	650	Fair
FM over Long Creek	1987	630	Fair
Locust St over Monkey Run	2019	595	Good
X 99 over Iowa River	2014	570	Fair
FM over Small Stream	1960	560	Fair
Co Rd X 17 over Short Creek	2011	540	Good
X 17 over Monkey Creek & Imrl RR	2008	540	Good
FM over Otter Creek	1992	490	Good
FM over Sm Stream	1950	490	Poor
Hwy 99 over Drainage Ditch	1954	490	Fair
Hwy 99 over Drainage Ditch	1954	490	Fair
FM over Small Stream	2002	480	Good
H 16 (40TH St) over Small Stream	2002	480	Fair
Co Rd H22 over Small Stream	1959	440	Fair
FM over Small Stream	1959	440	Fair
FM over Long Creek	1965	290	Fair
FM over Small Stream	1940	290	Fair
X 17 over Buffington Creek	2014	290	Good
FM over Small Stream	1989	280	Good
FM over Stream	1977	260	Fair
FM over Long Creek	1963	250	Poor
W66 over Big Slough Creek	2021	190	Good
218TH Ave over Johnny Creek	2020	180	Good
Local over Michael Creek	1976	166	Good
Manor Rd over Drainage	1920	144	Poor
FM over Small Stream	1978	140	Good
Local over Small Stream	2007	135	Good
Local over Long Creek	1985	123	Fair
Local over Small Stream	1982	123	Fair
FM over Turkey Run	1978	120	Fair
FM over Small Stream	1966	110	Fair
Local over Short Creek	1995	104	Good
FM over Small Stream	1960	100	Fair
Levee over Lake Odessa Inlet	1996	100	Good
Local over Otter Creek	1978	91	Good
Local over Johnny Creek	1989	82	Fair
Local over Small Stream	1986	82	Fair
Local over Small Stream	1983	82	Fair
Local over Small Stream	1966	82	Fair
Local over Small Stream	1997	82	Good
W Avenue over Buffington Creek	2022	82	Good
FM over Indian Creek	1977	80	Fair
FM over Otter CR	1959	80	Poor
FM over Small Stream	1990	80	Good
Tri-county Br over Iowa River	1980	80	Good
Local over Small Stream	1986	73	Fair
FM over Cone Marsh	1985	70	Good
FM over Keevers Lake	1988	70	Fair
FM over Otter Creek	1975	70	Good
FM over Stream	1992	70	Good
Local over Indian Creek	1969	62	Poor
Local over Small Stream	1985	62	Fair
X Ave over Goose Creek	2021	62	Good
FM over Long Creek	1979	60	Fair
FM over Otter Creek	1977	60	Good
FM over Stream	1997	60	Good
Local over Smith Creek	1984	60	Good
W66 over S Fork Short Creek	2023	60	Good
Local over Indian Creek	1982	51	Fair
Local over Small Stream	1974	51	Poor
Local over Small Stream	1983	51	Fair
Local over Small Stream	1989	51	Fair
FM over Johnny Creek	1970	50	Fair
FM over Otter Creek	1959	50	Fair
FM over Small Stream	1960	50	Fair
Local over Small Stream	1978	50	Fair
Local over Small Stream	1943	47	Poor
Local over Small Stream	1950	47	Fair
FM over Long Creek	1977	45	Fair
FM over Small Stream	1972	45	Poor
Local over Indian Creek	1987	41	Good
Local over Muscatine Slough	1981	41	Fair
Local over Small Stream	1982	41	Fair
65TH St over Stream	2020	40	Good
County Line Rd over Sm Stream	1989	40	Good
FM over Long Creek	1978	40	Fair
Local over Iowa Slough	1978	40	Fair
Local over Sm Stream	1970	40	Fair
95TH St over Burlington Creek	2020	35	Good
FM over Otter Creek	1955	35	Poor
Local over Indian Creek	1980	35	Fair
Local over Otter Creek	1972	35	Fair
Local over Small Stream	1979	35	Fair
Local over Small Stream	1960	35	Poor
Local over Small Stream	1991	35	Good
FM over Short Creek	1970	30	Fair
Local over Otter Creek	1920	30	Poor
Local over Short Creek	1969	30	Fair
Local over Small Stream	1986	30	Good
Local over Small Stream	1991	30	Fair
Local over Small Stream	1982	30	Fair
X 27 S Ave over Small Stream	2020	30	Good
Local over Honey Creek	1989	26	Good
Local over Short Creek	1964	26	Poor
Local over Small Stream	2009	26	Fair
Local over Small Stream	1984	26	Good
Local over Small Stream	1986	26	Fair
Local over Small Stream	1973	26	Fair
FM over Goose Creek	1982	25	Fair
60TH St over Small Stream	2013	21	Fair
Local over Small Stream	1994	21	Fair
Local over Stream	1920	21	Poor
Local over Stream	1915	21	Poor
FM over Small	1979	20	Fair
FM over Small Stream	1980	20	Fair
Local over Big Slough Creek	1988	16	Fair
Local over Otter CR	1921	16	Poor
Local over Short Creek	2003	16	Good
Local over Small Stream	1998	15	Fair
Local over Small Stream	1920	11	Poor
Local over Small Stream	1930	11	Poor
Local over Small Stream	1930	11	Poor
Local over Small Stream	1998	11	Good
Local over Small Stream	1950	11	Poor
V Ave over Buffington Creek	1893	11	Poor
Levee over Lake Odessa Outlet	1996	1	Fair

Source: FHWA National Bridge Inventory, 2025.

Louisa County bridge conditions · Iowa bridges by county.

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