Local over Stream
Union County, Iowa · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Local over Stream in Union County, Iowa, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1985, making it 40 years old at the 2025 inventory.
- It carries about 180 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 55 of the 172 inventoried bridges in Union County rated poor (32.0%); 55 (32.0%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (41.0438, -94.18541)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 4 | Poor condition |
Bridge details
| Structure | Steel girder and floorbeam |
| Length | about 82 ft |
| Location | 072291008 |
| NBI structure number | 000000000325601 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Iowa department of transportation.
Busiest bridges in Union County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 34 over Br. East Platte River | 1971 | 4,890 | Fair |
| US 34 over over BNSF RR | 1971 | 4,890 | Fair |
| US 34 over Twelve Mile Creek | 1971 | 4,890 | Fair |
| US 34 over Twelve Mile Creek | 1971 | 4,890 | Fair |
| Ia 25 over Stream | 1976 | 4,870 | Fair |
| US 169 over BNSF RR | 1980 | 3,870 | Good |
All bridges nearby: Union County, IA bridge conditions · every bridge in Union County · Iowa bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.