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Bridge conditions in Henry County, Iowa

173 inventoried bridges · 36 rated poor · 2025 National Bridge Inventory

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

About one in 5 bridges in Henry County is rated in poor condition: 36 of 173 on the federal inventory, one of the higher shares in Iowa.

36 of the 173 bridges in Henry County, Iowa, are rated in poor condition (20.8%) in the 2025 National Bridge Inventory, as of August 20, 2026.
71 bridges (41.0%) are rated good and 66 (38.2%) fair.
The median Henry County bridge was built in 1984.
The busiest poor-rated bridge is 235TH Street over Big Creek (built 1957), carrying about 2,930 vehicles a day.

Good 41.0% · Fair 38.2% · Poor 20.8% of 173 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
235TH Street over Big Creek	1957	2,930	Poor
FM over Big Creek	1959	1,151	Poor
FM over East Fork Crooked Creek	1970	910	Poor
FM over Little Cedar Creek	1972	650	Poor
FM over Sugar Creek	1960	640	Poor
S Walnut St over Heather Branch	1973	628	Poor
FM over Prairie Creek	1963	450	Poor
FM over Lynn Creek	1964	340	Poor
FM over Sugar Creek	1959	100	Poor
Local over Mud Creek	1959	73	Poor
Local Road over Spearman Branch	1958	73	Poor
Local over Dickey Creek	1956	73	Poor
Hickory Ave over Lynn Creek	1988	73	Poor
FM over Mud Creek	1972	70	Poor
X030 Ext(geode) over Cedar Creek	1935	70	Poor
FM over Cedar Creek	1952	60	Poor
FM over Mud Creek	1958	60	Poor
FM over S. Br. Big Creek	1957	60	Poor
Local over Branch Brush Creek	1951	51	Poor
Local over Lynn Creek	1992	51	Poor
Local over Local Stream	1957	47	Poor
Local over Local Stream	1968	41	Poor
Local over Sugar Creek	1976	41	Poor
Local over Branch Fish Creek	1974	35	Poor
Local over Crooked Creek	1956	35	Poor
Local over Berry Branch	1974	30	Poor
Local over Lynn Creek	1974	30	Poor
Local Road over Branch Sugar Creek	1922	26	Poor
Local over Small	1978	21	Poor
Local Road over Branch Sugar Creek	1917	21	Poor
Local Road over Lynn Creek	1975	16	Poor
Local over East Fork Crooked Creek	1914	16	Poor
Local Road over Branch Big Creek	1977	11	Poor
Local over Branch Big Creek	1985	11	Poor
Local Road over Williams Creek	1966	11	Poor
Local over S Br Big Creek	1996	5	Poor

Busiest bridges in the county

Bridge	Built	Vehicles/day	Condition
US 218 over Spring Creek	1967	13,300	Fair
US 218 over Little Potomac	1958	13,300	Fair
Grand Ave over East Henry St	1967	6,858	Fair
City Street over over BNSF RR	1968	6,800	Fair
US 34 over Drainage	1956	6,800	Fair
US 218 SB over Big Creek	1968	6,150	Good
US 218 NB over Big Creek	2000	6,050	Good
US 218 SB over South Br of Fish Creek	2003	4,950	Good
US 218 SB over North Branch Fish Creek	2003	4,950	Good
US 218 SB over Skunk River	2003	4,950	Good

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

Every bridge in Henry County → - all 173, 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.