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Every bridge in Humboldt County, Iowa

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

87 inventoried bridges, busiest first

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

Humboldt County, Iowa, has 87 bridges in the 2025 National Bridge Inventory: 34 rated good, 46 fair, and 7 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 169 over W Fork Des Moines River	1997	7,100	Fair
US 169 over Indian Creek	2011	5,400	Good
Ia 3 over Stream	1939	4,590	Good
Sumner Ave SW over West Des Moines River	2015	3,472	Good
US 169 over Bloody Run Creek	1985	3,220	Fair
US 169 over Branch Lotts Creek	1985	3,220	Fair
US 169 over Branch Lotts Creek	1985	3,220	Good
US 169 over Drainage Ditch	1985	3,220	Fair
US 169 over Lotts Creek	1985	3,220	Fair
US 169 over Trulner Creek	1995	3,220	Fair
US 169 over Drainage Ditch	1985	3,020	Fair
Ia 3 over Des Moines River	2010	2,850	Good
Ia 3 over E Fork Des Moines River	2018	2,510	Good
FM over Drainage Ditch	1970	1,257	Fair
1ST Ave N over East Des Moines River	1988	1,014	Fair
FM over Dm River	1958	679	Fair
FM over Truliner Creek	1937	649	Fair
FM over Truliner Creek	1958	578	Good
FM over Dm River	1961	559	Fair
C20 130TH St over Truliner Creek	2018	530	Good
FM over Drainage Ditch	1921	529	Fair
FM over W Fk Des Moines River	1990	518	Good
FM over E Fork Des Moines River	1957	509	Fair
Ia 15 over W Fork Des Moines River	2014	490	Good
FM over Dm River	2001	478	Good
FM over Bloody Run Creek	1966	450	Fair
FM over Lotts Creek	1996	350	Good
FM over Dd	1925	339	Fair
FM over Truliner Creek	1958	339	Fair
FM over Dd No 100	1974	290	Fair
FM over Prarie Creek	2003	290	Good
Sheridan over Creek	1918	245	Fair
Lucas Ave over Creek	1949	232	Fair
FM over E.fk Des Moines River	1994	190	Good
P56 Lone Tree Rd over Beaver Creek	2023	183	Good
8TH St over Lotts Creek	1950	170	Fair
FM over Drainage Ditch	1958	170	Fair
FM over Drainage Ditch	1940	170	Fair
Local over Dd	1900	100	Fair
Local over Drainage Ditch	1941	80	Fair
FM over Prairie Creek	1970	71	Fair
FM over Prairie Creek	1968	71	Fair
Local over Dm River	1911	60	Poor
215TH St over Des Moines River	1899	50	Poor
Local over Dd	1913	50	Fair
Local over Prairie Creek	2008	50	Good
Local over Creek	1971	45	Fair
Local over Dd	2007	45	Good
Georgia Ave over Dd	2019	40	Good
Local over Creek	1900	40	Fair
Local over Creek	1954	40	Fair
Local over Dd	1953	40	Fair
Local over Dd #3	1989	40	Good
Montana Ave over Creek	2014	40	Good
Virginia Ave over Creek	2020	40	Good
FM over Dd	1948	34	Fair
Local over Dd	2008	34	Good
Local over Dd	1960	34	Fair
Local over Drainage Ditch	2004	34	Good
270TH St over Creek	2017	30	Good
FM over Dm River	1905	30	Poor
Local over Bloody Run Creek	1998	30	Good
Local over Dd	2002	30	Good
Kansas Ave over Creek	2017	26	Good
Local Rd over D D #2	1978	26	Good
FM over Drainage Ditch	2007	20	Good
Juniper Ave over Lotts Creek	1996	20	Good
Local over Dd	1900	20	Fair
Local over Creek	1900	15	Fair
Local over Creek	2005	15	Good
Local over Creek	1966	15	Fair
Local over Dd	1937	15	Fair
Local over Dd	1900	15	Fair
Local over Dd	1956	15	Fair
Local over Dd	1925	15	Fair
Local over Drainage Ditch	1948	15	Poor
Local over Prairie Creek	1900	15	Poor
Juniper Ave over Creek	2012	11	Good
Kentucky Ave over Bloody Run Creek	2023	11	Good
Local over Creek	1900	11	Fair
Local over Dd	1955	11	Fair
Local over Dd	1955	11	Fair
Local over Dd	1900	11	Poor
Local over Dm River	1924	11	Poor
Local over Drainage Ditch	1955	11	Fair
Local over Prairie Creek	2003	11	Good
Local over Dd	1955	5	Fair

Source: FHWA National Bridge Inventory, 2025.

Humboldt County bridge conditions · Iowa bridges by county.

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