FM over Small Stream
Tama County, Iowa · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- FM over Small Stream in Tama County, Iowa, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1959, making it 66 years old at the 2025 inventory.
- It carries about 314 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 106 of the 337 inventoried bridges in Tama County rated fair (31.5%); 107 (31.8%) 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 → (42.07947, -92.32512)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 5 | Fair condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 37 ft |
| Location | 084132301 |
| NBI structure number | 000000000362825 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Iowa department of transportation.
Busiest bridges in Tama County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 30 over Stream | 1996 | 11,500 | Good |
| US 30 WB over Slip Bridge Ramp | 2010 | 7,600 | Good |
| US 30 WB over Salt Creek | 2019 | 6,600 | Good |
| US 30 over Trib to Iowa River | 2008 | 6,500 | Good |
| US 30 WB over Iowa River | 2002 | 5,950 | Good |
| US 30 WB over Iowa River East Overflow | 2021 | 5,950 | Good |
All bridges nearby: Tama County, IA bridge conditions · every bridge in Tama County · Iowa bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.