Ruby Creek Rd over Ruby CREEK(#4)
Boundary County, Idaho · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ruby Creek Rd over Ruby CREEK(#4) in Boundary 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 1970 and reconstructed in 1999, making it 55 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 11 of the 84 inventoried bridges in Boundary County rated poor (13.1%); 11 (13.1%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated August 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 → (48.61819, -116.4135)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 4 | 4 | Poor condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 23 ft |
| Location | 3.3 N. 0.8 W. Naples |
| NBI structure number | 000000000030345 |
| Condition class | Poor |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 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 Boundary County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 95 over Bnrr;arizona St. | 1972 | 13,000 | Fair |
| US 95 over Kootenai R;uprr;bnnrs Fy | 1984 | 13,000 | Fair |
| US 95 over Deep Cr;bnrr;uprr;naples | 1965 | 7,300 | Fair |
| US 95 over Deep Creek | 2024 | 6,600 | Good |
| US 95 over Trail Creek | 1965 | 6,300 | Fair |
| US 2 over Uprr;moyie Springs Op | 1965 | 2,600 | Fair |
All bridges nearby: Boundary County, ID bridge conditions · every bridge in Boundary County · Idaho bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.