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Every bridge in Union County, Iowa

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

172 inventoried bridges, busiest first

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

Union County, Iowa, has 172 bridges in the 2025 National Bridge Inventory: 53 rated good, 64 fair, and 55 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 34 over Br. East Platte River	1971	4,890	Fair
US 34 over Twelve Mile Creek	1971	4,890	Fair
US 34 over Twelve Mile Creek	1971	4,890	Fair
US 34 over over BNSF RR	1971	4,890	Fair
Ia 25 over Stream	1976	4,870	Fair
US 169 over BNSF RR	1980	3,870	Good
US 34 & Ia 25 over Branch Platte River	1973	3,730	Fair
US 34 & 169 over Grand River	1971	3,450	Fair
US 34 & 169 over over UP Rr(aband)	1971	3,450	Fair
US 34 over Four Mile Creek	1971	3,040	Fair
US 34 over over BNSF RR	1971	2,370	Fair
Ia 25 over Summit Lake	1976	1,950	Fair
Adams St over Mckinley Lake	2017	1,864	Good
US 169 over Indian Creek	1969	1,290	Fair
US 169 over Twelve Mile Creek	1969	1,290	Fair
Ia 25 over Branch Platte River	2003	1,250	Fair
FM over Middle Platte River	2005	1,055	Good
FM over East Platte River	2009	927	Good
FM over Middle Platte	1975	927	Fair
Lincoln St over Hurley Creek	1973	875	Poor
FM over Br W Platte River	1957	788	Poor
FM over Platte River	1979	757	Fair
Sycamore St over Hurley Creek	2021	717	Good
FM Pole Rd over Creek	1954	568	Fair
FM Pole Rd over Middle Platte River	1993	568	Good
Oak St over Hurley Creek	1985	501	Good
Spencer St over Hurley Creek	1985	501	Good
Spruce St over Hurley Creek	1985	501	Fair
FM over Twelve Mile Creek	2010	477	Good
FM over Three Mile Creek	1969	450	Fair
FM over Creek	1964	409	Poor
8TH St Reloc! over Drainage	1992	387	Good
Loc W Adams St over Stream	2001	369	Good
FM over Three Mile Creek	2010	350	Good
190TH St over Small Stream	2013	339	Good
FM over Creek	1994	319	Fair
Local So.cherry over Small Stream	1968	278	Poor
FM over Grand River	2007	270	Fair
J13 1ST St over West Fork Grand River	1977	226	Fair
H 17 (rea Rd) over West Wolf Creek	2014	219	Good
FM over Grand River	2001	210	Fair
FM over East Platte River	1963	199	Poor
Local over Stream	1985	180	Poor
H 17 Rea Rd over Stream	2014	170	Good
FM over Outlet Green Valley Lk	1951	159	Poor
FM 160TH St over Creek	1952	150	Fair
FM over Small Stream	1974	131	Fair
FM over Twelve Mile Creek	1956	128	Fair
Local over Stream	1981	123	Poor
P 33 (pole Rd) over East Platte River	2012	120	Good
Willow Avenue over Grand River	1980	120	Fair
Loc 170TH St over Small Stream	1988	113	Poor
Local over Twelve Mile Creek	1977	103	Fair
FM over Wolf Creek	2001	100	Fair
Local over over BNSF RR	1997	91	Fair
FM over East Branch Platte River	1979	89	Fair
FM over Grand River	1979	89	Fair
FM over Small Stream	2003	89	Good
Local over West Platte	1979	79	Fair
Local over Platte River	1986	72	Fair
Local over Stream	1995	72	Good
FM over Small Stream	1985	71	Poor
FM over Three Mile Creek	1976	71	Fair
P64 Primrose Dr over Twelve Mile Creek	2017	71	Good
Cherry St over E Br Middle Platte River	2023	62	Good
Local Rd over Stream	2009	62	Good
Local over Twelve Mile Creek	1979	62	Poor
FM over Grand River	1988	60	Fair
FM over Three Mile Creek	1985	60	Fair
FM over Twelve Mile Creek	1977	60	Good
FM over Wolf Creek	1976	60	Poor
Local over Small Stream	2010	51	Good
Local over Stream	1900	51	Poor
210TH Street over Fourmile Creek	1995	50	Good
FM over Creek	2004	50	Good
FM over Four Mile Creek	1952	50	Fair
FM over Sand Creek	1963	50	Poor
Ridge Drive over Trib to Twelve Mile Cree	2023	50	Good
FM over Grand River	1957	49	Fair
170TH St over Two Mile Creek	2021	46	Good
170TH Street over Grand River	1957	46	Poor
Local over Small Stream	2004	46	Good
Local over Stream	1965	46	Fair
Local over Stream	1999	46	Fair
Local over Stream	1988	46	Poor
Local over Twelve Mile Creek	1970	46	Fair
Local over W Wolfe Creek	1995	46	Fair
FM over 12 Mile Creek	1990	45	Good
FM over Stream	1960	45	Fair
Local over Sand Creek	1967	41	Poor
Local over Stream	1977	41	Poor
FM over Middle Platte River	1952	40	Poor
FM over Stream	1951	40	Poor
FM over Twelve Mile Creek	1957	40	Fair
H29 168TH St over Four Mile Creek	2015	40	Good
H45 240TH St over Small Stream	2022	40	Good
Dogwood Ave over Platte River	2024	37	Good
Loc Dogwood Ave over Small Stream	1989	35	Poor
Local over Small Stream	1995	35	Fair
Local over Stream	1991	35	Poor
Local over Three Mile Creek	1978	35	Poor
Local over Twelve Mile Creek	1930	35	Poor
160TH St over Small Stream	2024	31	Good
Lark Avenue over Small Stream	2002	30	Fair
Local over East Platte River	1981	30	Poor
Local over Small Stream	1900	30	Poor
Local over Small Stream	1900	30	Poor
Local over Small Stream	1943	30	Poor
Local over Stream	2005	30	Good
FM over Grand River	1991	29	Good
FM over Nodaway River	1978	29	Fair
FM over West Platte River	1998	29	Good
210TH St over Small Stream	2012	26	Good
FM over Four Mile Creek	2009	26	Good
Local Road over Stream	1900	26	Poor
Local over Grand River	1995	26	Good
Local over Small Stream	1940	26	Poor
Local over Small Stream	2002	26	Fair
150TH St over Small Stream	2024	21	Good
Loc B Level Rd over Stream	1940	21	Poor
Local over Platte River	1994	21	Good
Local over Sand Creek	1984	21	Fair
Local over Small Stream	1992	21	Poor
Local over Stream	1900	21	Poor
Local over Wolf Creek	1983	21	Poor
Pheasant Avenue over Stream	2022	21	Good
230TH St over Seven Mile Creek	2012	20	Good
FM over E Br Middle Platte River	1980	20	Fair
FM over Four Mile Creek	1950	20	Fair
H29 167TH St over Four Mile Creek	1952	20	Fair
Redwood Ave over Stream	2011	20	Good
197TH St over Stream	2017	15	Good
Eagle Ave over Small Stream	2015	15	Good
FM over East Platte River	1983	15	Fair
FM over Middle Platte River	1967	15	Fair
Local Road over Small Stream	1978	15	Fair
Local over East Platte River	1969	15	Poor
Local over Platte River	1979	15	Fair
Local over Small Stream	1973	15	Poor
Local over Small Stream	1997	15	Good
Local over Small Stream	1988	15	Fair
Local over Small Stream	1979	15	Poor
Local over Stream	2000	15	Poor
Local over Stream	1900	15	Poor
Local over Twelve Mile Creek	1992	15	Good
Local over West Platte River	1900	15	Poor
Local Rd over Stream	2000	11	Good
Local over Branch East Platte	1978	11	Poor
Local over Creek	1952	11	Fair
Local over Indian Creek	1999	11	Fair
Local over Middle Platte River	1970	11	Poor
Local over Middle Platte River	1994	11	Good
Local over Platte River	1989	11	Poor
Local over Small Stream	1990	11	Poor
Local over Small Stream	1940	11	Fair
Local over Small Stream	1979	11	Fair
Local over Small Stream	1964	11	Poor
Local over Small Stream	1980	11	Poor
Local over Small Stream	1990	11	Fair
Local over Stream	1900	11	Poor
Local over Stream	1992	11	Poor
Local over Stream	2004	11	Good
Local over Stream	2007	11	Good
Berwick/sec Rd over Drainage	1998	5	Fair
Local B Level over Small Stream	1973	5	Poor
Local Rd over Stream	1973	5	Poor
Local over Four Mile Creek	1967	5	Poor
Local over Small Stream	1990	5	Poor
Local over Small Stream	1900	5	Poor
Local over Small Stream	1900	5	Poor
Local over Small Stream	1900	5	Poor
Local over Stream	2004	5	Good

Source: FHWA National Bridge Inventory, 2025.

Union County bridge conditions · Iowa bridges by county.

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