D Avenue over Nishnabotna River
Page County, Iowa · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- D Avenue over Nishnabotna River in Page County, Iowa, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 0 (failed condition, out of service) on the 0-9 scale.
- It was built in 1949, making it 76 years old at the 2025 inventory.
- It carries about 477 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 56 of the 191 inventoried bridges in Page County rated poor (29.3%); 56 (29.3%) are rated poor.
- Its traffic status in the 2025 inventory is closed to all traffic (NBI item 41).
- Its class is unchanged from 2024 (poor), but component ratings moved: deck 4 to 0, superstructure 5 to 0, substructure 4 to 0.
- Status change: newly closed since 2024.
- Its most recent inspection on record is dated December 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 → (40.85457, -95.30861)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 4 | 0 | Failed condition, out of service |
| Superstructure | 5 | 0 | Failed condition, out of service |
| Substructure | 4 | 0 | Failed condition, out of service |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 365 ft |
| Location | 070392302 |
| NBI structure number | 000000000268530 |
| Condition class | Poor |
| Traffic status (item 41) | Closed to all traffic |
| Last inspection (item 90) | December 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Iowa department of transportation.
Busiest bridges in Page County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 59 over Johnson Run Creek | 1960 | 8,100 | Fair |
| US 71 over Stream | 1972 | 3,450 | Fair |
| US 71 over Stream | 1972 | 3,410 | Fair |
| US 71 & Ia 2 over West Nodaway River | 1972 | 3,360 | Fair |
| Ia 2 over Snake Creek | 1991 | 3,170 | Good |
| US 71 over Drainage Ditch | 1973 | 3,000 | Fair |
All bridges nearby: Page County, IA bridge conditions · every bridge in Page County · Iowa bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.