Bridge conditions in Henry County, Iowa
173 inventoried bridges · 36 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
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 .
- 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.
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.