FM over Polly Creek
Osceola County, Iowa · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- FM over Polly Creek in Osceola County, Iowa, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1955 and reconstructed in 1972, making it 70 years old at the 2025 inventory.
- It carries about 718 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 105 of the 184 inventoried bridges in Osceola County rated fair (57.1%); 12 (6.5%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (43.42419, -95.74169)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 40 ft |
| Location | 099410604 |
| NBI structure number | 000000000263240 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Iowa department of transportation.
Busiest bridges in Osceola County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ia 60 over Drainage | 2004 | 5,400 | Good |
| Ia 60 NB over Wagner Creek | 2003 | 5,400 | Good |
| Ia 60 SB over Drainage Ditch | 1935 | 5,100 | Fair |
| Ia 60 NB over Drainage | 2004 | 5,100 | Good |
| Ia 60 NB over Otter Creek | 2004 | 2,700 | Good |
| Ia 60 SB over Otter Creek | 2003 | 2,700 | Good |
All bridges nearby: Osceola County, IA bridge conditions · every bridge in Osceola County · Iowa bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.