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Bridge conditions in Kossuth County, Iowa

266 inventoried bridges · 40 rated poor · 2025 National Bridge Inventory

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

Of the 266 Kossuth County bridges in the federal inventory, 40 carry a poor rating. That 15.0% share is roughly 2x the national average.

40 of the 266 bridges in Kossuth County, Iowa, are rated in poor condition (15.0%) in the 2025 National Bridge Inventory, as of August 20, 2026.
123 bridges (46.2%) are rated good and 103 (38.7%) fair.
The median Kossuth County bridge was built in 1987.
The busiest poor-rated bridge is 240TH Ave over Lindner Creek (built 1972), carrying about 620 vehicles a day.

Good 46.2% · Fair 38.7% · Poor 15.0% of 266 bridges

Bridges rated poor

Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.

Bridge	Built	Vehicles/day	Condition
240TH Ave over Lindner Creek	1972	620	Poor
FM 150TH Ave over Lindner Creek	1969	376	Poor
Loc 20TH Ave over E Fork Des Moines River	1973	359	Poor
Irvington Rd over D D # 51	1966	330	Poor
FM 320TH St over Buffalo Creek	1958	309	Poor
FM 300TH St over Dd #2 & 36	1974	264	Poor
FM 380TH St over Union Slough Ditch	1964	180	Poor
Loc 200TH St over Lotts Creek	1969	177	Poor
A30 460TH St over Union Slough Ditch	1951	170	Poor
FM 180TH Ave over Buffalo Creek	1965	159	Poor
Loc 210TH Ave over Buffalo Creek	1971	143	Poor
FM 190TH Ave over Plum Creek	1960	133	Poor
Loc 220TH Ave over Lindner Creek	1965	82	Poor
Loc 210TH Ave over Prairie Creek	1979	81	Poor
Loc 140TH Ave over Purcell Creek	1980	81	Poor
Loc 110TH St over Dd 100 131 93	1967	63	Poor
Loc 150TH Ave over Purcell Creek	1975	50	Poor
Loc 100TH Ave over Black Cat Creek	1964	46	Poor
FM 160TH St over Lotts Creek	1967	45	Poor
Loc 110TH St over Drainage Ditch 182	1951	41	Poor
FM 250TH St over Unnamed Creek	1966	40	Poor
P14 10TH Ave over E Fork Des Moines River	1900	34	Poor
Loc 110TH Ave over E Fork Des Moines River	1980	30	Poor
FM 160TH St over Hine Creek	1967	26	Poor
Loc 120TH St over Prairie Creek	1988	26	Poor
Loc 200TH St over Four Mile Creek	1974	26	Poor
Loc 80TH Ave over Hine Creek	1987	21	Poor
Loc 120TH St over Trulner Creek	1979	21	Poor
Loc 80TH Ave over Four Mile Creek	1988	21	Poor
Loc 170TH St over Drainage Ditch No 9	1977	21	Poor
Loc 100TH Ave over D.D.#60	1984	21	Poor
Loc 200TH St over Prairie Creek	1971	15	Poor
Loc 230TH Ave over Prairie Creek	1976	15	Poor
Loc 50TH Ave over Drainage Ditch 79	1965	11	Poor
Loc 200TH St over Drainage Ditch 25	1969	11	Poor
Loc 160TH St over Prairie Creek	1986	5	Poor
Loc 230TH Ave over Prairie Creek	1986	5	Poor
FM 460TH St over Middle Branch Blue Earth	1967	5	Poor
Loc 130TH Ave over Dd #185	1900	5	Poor
Loc 490TH St over W Br Blue Earth River	1980	5	Poor

Busiest bridges in the county

Bridge	Built	Vehicles/day	Condition
US 169 over E Fork Des Moines River	2008	7,500	Good
US 18 over E Fork Des Moines River	1984	5,900	Good
US 18 over Drainage Ditch	1993	4,660	Good
US 169 over E Fork Des Moines River	1971	3,460	Fair
US 169 over Drainage Ditch	1985	2,880	Good
US 169 over E Fork Des Moines River	1971	2,880	Fair
US 169 over E Fork Des Moines River	1971	2,880	Fair
US 18 over Lotts Creek	1993	2,770	Good
US 169 over Black Cat Creek	2022	2,570	Good
US 169 over E Fork Des Moines River	1959	2,140	Fair

Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.

Every bridge in Kossuth County → - all 266, busiest first, each with its own condition record.

All of Iowa: Iowa bridge conditions by county · every download on the data page.

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