W 309TH St 164 over Unnamed Stream
Osage County, Kansas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- W 309TH St 164 over Unnamed Stream in Osage County, Kansas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1925, making it 100 years old at the 2025 inventory.
- It carries about 45 vehicles a day (traffic count year 2019).
- Its listed owner is the county highway agency.
- It is one of 106 of the 302 inventoried bridges in Osage County rated fair (35.1%); 18 (6.0%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (38.50667, -95.93323)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Steel girder and floorbeam |
| Length | about 28 ft |
| Location | 0.8S 0.9E of Reading |
| NBI structure number | 000700969905060 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Osage County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I35 Hwy SB over Long Creek | 1973 | 6,750 | Good |
| I35 Hwy NB over Long Creek | 1973 | 6,750 | Good |
| I35 Hwy SB over Coal Creek | 1974 | 6,750 | Good |
| I35 Hwy NB over Coal Creek | 1973 | 6,750 | Good |
| I35 Hwy SB over Rock Creek | 1973 | 6,500 | Good |
| I35 Hwy NB over Rock Creek | 1973 | 6,500 | Fair |
All bridges nearby: Osage County, KS bridge conditions · every bridge in Osage County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.