Local over E Branch W. Nish. River
Shelby County, Iowa · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Local over E Branch W. Nish. River in Shelby County, Iowa, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 3 (serious condition) on the 0-9 scale.
- It was built in 1920, making it 105 years old at the 2025 inventory.
- It carries about 26 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 18 of the 207 inventoried bridges in Shelby County rated poor (8.7%); 18 (8.7%) 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 → (41.73871, -95.10324)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 5 | Fair condition |
| Substructure | 3 | Serious condition |
Bridge details
| Structure | Steel through truss |
| Length | about 145 ft |
| Location | 801337 |
| NBI structure number | 000000000305990 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Iowa department of transportation.
Busiest bridges in Shelby County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 59 over Drainage Ditch | 1966 | 5,000 | Fair |
| US 59 over Drainage Ditch | 1970 | 4,940 | Fair |
| US 59 over West Nishnabotna River | 1970 | 4,940 | Fair |
| US 59 over Jensen Creek | 1968 | 4,680 | Fair |
| Ia 44 over West Nishnabotna River | 1978 | 3,960 | Fair |
| US 59 over Lyon Creek | 1970 | 3,240 | Fair |
All bridges nearby: Shelby County, IA bridge conditions · every bridge in Shelby County · Iowa bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.