Fir Grove Road over Camas Creek
Camas County, Idaho · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Fir Grove Road over Camas Creek in Camas County, Idaho, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1965 and reconstructed in 1982, making it 60 years old at the 2025 inventory.
- It carries about 30 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 7 of the 62 inventoried bridges in Camas County rated poor (11.3%); 7 (11.3%) 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 (substructure 5 to 4, deck 7 to 8).
- Its most recent inspection on record is dated October 2024, on a 12-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 → (43.29158, -114.74644)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 8 | Very good condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 5 | 4 | Poor condition |
Bridge details
| Structure | Timber stringer or multi-beam girder |
| Length | about 24 ft |
| Location | 3.4 S. 2.4 E. Fairfield |
| NBI structure number | 000000000023815 |
| Condition class | Poor |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2024 |
| Inspection interval (item 91) | 12 months |
| Scour (item 113) | U: unknown foundation, not evaluated for scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Idaho department of transportation.
Busiest bridges in Camas County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 20 over Willow Creek | 2019 | 2,200 | Good |
| US 20 over No Name Creek | 1961 | 1,900 | Fair |
| US 20 over Hot Creek | 1961 | 1,900 | Fair |
| US 20 over Arnold Creek | 1961 | 1,900 | Fair |
| US 20 over Chimney Cr.;sheep CR. | 1961 | 1,900 | Fair |
| US 20 over Corral Creek | 1969 | 1,900 | Fair |
All bridges nearby: Camas County, ID bridge conditions · every bridge in Camas County · Idaho bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.