J Ave / P14 over Greenbrier Creek
Greene County, Iowa · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- J Ave / P14 over Greenbrier Creek in Greene 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 1971, making it 54 years old at the 2025 inventory.
- It carries about 190 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 25 of the 168 inventoried bridges in Greene County rated poor (14.9%); 25 (14.9%) 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 → (41.94231, -94.45421)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 4 | Poor condition |
| Superstructure | 5 | Fair condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 78 ft |
| Location | 082310302 |
| NBI structure number | 000000000161861 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Iowa department of transportation.
Busiest bridges in Greene County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ia 4 (N Elm St) over UP RR & Mckinley St | 2012 | 6,200 | Good |
| US 30 over UP RR & 222ND | 2017 | 4,970 | Good |
| US 30 over West Beaver Creek | 2017 | 4,970 | Good |
| US 30 over Little Beaver Creek | 2009 | 4,570 | Good |
| US 30 over Hardin Creek | 1957 | 4,230 | Fair |
| US 30 over Buttrick Creek | 1957 | 4,230 | Fair |
All bridges nearby: Greene County, IA bridge conditions · every bridge in Greene County · Iowa bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.