Bridge conditions in Greene County, Iowa
168 inventoried bridges · 25 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
About one in 7 bridges in Greene County is rated in poor condition: 25 of 168 on the federal inventory, one of the higher shares in Iowa.
- 25 of the 168 bridges in Greene County, Iowa, are rated in poor condition (14.9%) in the 2025 National Bridge Inventory, as of .
- 61 bridges (36.3%) are rated good and 82 (48.8%) fair.
- The median Greene County bridge was built in 1978.
- The busiest poor-rated bridge is S Grimmell Rd over Raccoon River (built 1947), carrying about 1,572 vehicles a day.
Good 36.3% · Fair 48.8% · Poor 14.9% of 168 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 |
|---|---|---|---|
| S Grimmell Rd over Raccoon River | 1947 | 1,572 | Poor |
| 330 Th / E63 over Drainage Ditch 9-13 | 1970 | 379 | Poor |
| 222ND St over West Beaver Creek | 1921 | 300 | Poor |
| A Ave over Dd 150-86 | 1964 | 293 | Poor |
| 170 Th / E26 over Drainage Ditch 110 | 1963 | 229 | Poor |
| J Ave / P14 over Greenbrier Creek | 1971 | 190 | Poor |
| A Ave / N58 over Raccoon River | 1950 | 131 | Poor |
| 290 Th / E57 over Snake Creek | 1959 | 108 | Poor |
| 290 Th / E57 over Willow Creek | 1953 | 89 | Poor |
| 230 Th over Stream | 1957 | 46 | Poor |
| 200 Th over Creek | 1956 | 35 | Poor |
| X Ave over Little Beaver Creek | 1924 | 30 | Poor |
| 240 Th over Buttricks Creek | 1957 | 26 | Poor |
| H Ave over Dd 102 | 1977 | 26 | Poor |
| 180 Th over Stream | 1958 | 26 | Poor |
| 180 Th over Dd #102 | 1978 | 26 | Poor |
| 140 Th over Stream | 1956 | 26 | Poor |
| 120 Th over Stream | 1957 | 26 | Poor |
| W Ave over Creek | 1900 | 21 | Poor |
| 200 Th over Stream | 1965 | 21 | Poor |
| 100 Th over Lost Grove Creek | 1914 | 21 | Poor |
| K Ave over Hardin Creek | 1959 | 21 | Poor |
| 300 Th over Greenbrier Creek | 1957 | 15 | Poor |
| 320 Th over Stream | 1956 | 11 | Poor |
| Farm Drive over Buttricks Creek | 1900 | 10 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ia 4 (N Elm St) over UP RR & Mckinley St | 2012 | 6,200 | Good |
| US 30 over UP RR & 222ND | 2017 | 4,970 | Good |
| US 30 over West Beaver Creek | 2017 | 4,970 | Good |
| US 30 over Little Beaver Creek | 2009 | 4,570 | Good |
| US 30 over Hardin Creek | 1957 | 4,230 | Fair |
| US 30 over Buttrick Creek | 1957 | 4,230 | Fair |
| US 30 over Stream | 1956 | 3,700 | Fair |
| US 30 over North Raccoon River | 2010 | 3,270 | Good |
| Ia 4 over Hardin Creek | 1978 | 2,710 | Fair |
| Ia 4 over North Raccoon River | 1983 | 2,210 | Fair |
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.