Local over Walnut Creek
Poweshiek County, Iowa · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Local over Walnut Creek in Poweshiek County, Iowa, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1924, making it 101 years old at the 2025 inventory.
- It carries about 15 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 95 of the 243 inventoried bridges in Poweshiek County rated poor (39.1%); 95 (39.1%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated December 2023, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- 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 → (41.83323, -92.41631)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 4 | 4 | Poor condition |
| Superstructure | 4 | 4 | Poor condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Steel through truss |
| Length | about 63 ft |
| Location | 081131801 |
| NBI structure number | 000000000294130 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | December 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Iowa department of transportation.
Busiest bridges in Poweshiek County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-80 over N.fk. English River | 1963 | 28,500 | Fair |
| I-80 over No Fork English River | 1963 | 28,500 | Fair |
| EB I-80 over 50TH Street | 1963 | 14,250 | Fair |
| I 80 WB over UP RR | 2023 | 14,000 | Good |
| WB I-80 over 50TH Street | 1963 | 14,000 | Fair |
| EB I-80 over SR V18 | 1963 | 13,600 | Fair |
All bridges nearby: Poweshiek County, IA bridge conditions · every bridge in Poweshiek County · Iowa bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.