Whalebone Dr over Ashley Creek
Flathead County, Montana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Whalebone Dr over Ashley Creek in Flathead County, Montana, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 9 (excellent condition) on the 0-9 scale.
- It was built in 2015, making it 10 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 2025).
- Its listed owner is the county highway agency.
- It is one of 69 of the 204 inventoried bridges in Flathead County rated good (33.8%); 9 (4.4%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (48.18197, -114.41188)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 9 | Excellent condition |
Bridge details
| Structure | Aluminum or iron culvert |
| Length | about 25 ft |
| Location | 5M W Kalispell |
| NBI structure number | 000000000007029 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Montana department of transportation.
Busiest bridges in Flathead County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 93 over Stillwater River | 1996 | 25,919 | Fair |
| N00109 over US 2 | 2016 | 22,752 | Good |
| Irr - US 2 over Flathead River | 1977 | 22,220 | Fair |
| US 93 Alternate over Foys Lake Road | 2021 | 19,966 | Good |
| US 93 Bypass over Ashley Creek | 2010 | 19,966 | Good |
| P00109 over Old Reserve Drive | 2016 | 19,964 | Good |
All bridges nearby: Flathead County, MT bridge conditions · every bridge in Flathead County · Montana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.