Ia 2 over Stream
Decatur County, Iowa · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ia 2 over Stream in Decatur 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 1985, making it 40 years old at the 2025 inventory.
- It carries about 930 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 84 of the 199 inventoried bridges in Decatur County rated fair (42.2%); 78 (39.2%) 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 → (40.72456, -93.99099)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 24 ft |
| Location | 7.9 Mi. W of Jct. I-35 |
| NBI structure number | 000000000022651 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Iowa department of transportation.
Busiest bridges in Decatur County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Rest Area Road over Rest Area Road | 1994 | 13,800 | Fair |
| SB I-35 over Grand River | 1970 | 7,700 | Fair |
| NB I-35 over Grand River | 1970 | 7,550 | Fair |
| SB I-35 over 310TH Street | 1970 | 7,250 | Fair |
| SB I-35 over Stream | 1970 | 7,250 | Good |
| NB I-35 over 310TH St | 1970 | 7,100 | Fair |
All bridges nearby: Decatur County, IA bridge conditions · every bridge in Decatur County · Iowa bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.