Willow Avenue over Stream
Adams County, Iowa · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Willow Avenue over Stream in Adams 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 1968, making it 57 years old at the 2025 inventory.
- It carries about 5 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 85 of the 185 inventoried bridges in Adams County rated poor (45.9%); 85 (45.9%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated fair in the 2024 inventory and is now poor (deck 6 to 4, superstructure 6 to 4, substructure 6 to 5).
- Its most recent inspection on record is dated January 2024, on a 24-month routine inspection cycle.
- 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 → (41.02034, -94.49024)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 4 | Poor condition |
| Superstructure | 6 | 4 | Poor condition |
| Substructure | 6 | 5 | Fair condition |
Bridge details
| Structure | Prestressed concrete tee beam |
| Length | about 24 ft |
| Location | 072322402 |
| NBI structure number | 000000000059580 |
| Condition class | Poor |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | January 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Iowa department of transportation.
Busiest bridges in Adams County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ia 148 over East Nodaway River | 1976 | 3,580 | Fair |
| Ia 148 over over BNSF RR | 1976 | 3,580 | Good |
| US 34 over E Nodaway River & BNSF R | 1964 | 2,970 | Fair |
| US 34 over Metz Creek | 1921 | 2,390 | Fair |
| US 34 over Platte River | 2014 | 2,390 | Good |
| US 34 over Kemp Creek | 1964 | 2,240 | Fair |
All bridges nearby: Adams County, IA bridge conditions · every bridge in Adams County · Iowa bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.