Local over Branch Flank Creek
Warren County, Iowa · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Local over Branch Flank Creek in Warren County, Iowa, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1965, making it 60 years old at the 2025 inventory.
- It carries about 46 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 48 of the 238 inventoried bridges in Warren County rated poor (20.2%); 48 (20.2%) 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 → (41.23033, -93.38565)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 4 | Poor condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Steel through truss |
| Length | about 137 ft |
| Location | 074221002 |
| NBI structure number | 000000000332650 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Iowa department of transportation.
Busiest bridges in Warren County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-35 over Drainage Ditch | 1957 | 24,700 | Good |
| I 35 over Broad Horn Creek | 1957 | 21,000 | Fair |
| I-35 over Drainage Ditch | 1958 | 21,000 | Fair |
| Ia 28 over South Middle Creek | 1984 | 18,500 | Good |
| I 35 SB over North River | 2014 | 12,550 | Good |
| I 35 SB over Badger Creek | 2014 | 12,550 | Good |
All bridges nearby: Warren County, IA bridge conditions · every bridge in Warren County · Iowa bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.