SH 64 over Long Hollow Creek
Lewis County, Idaho · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SH 64 over Long Hollow Creek in Lewis County, Idaho, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 1999, making it 26 years old at the 2025 inventory.
- It carries about 540 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 12 of the 21 inventoried bridges in Lewis County rated good (57.1%); 1 (4.8%) 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 2021, on a 48-month routine inspection cycle.
- 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 → (46.23503, -116.23761)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete tee beam |
| Length | about 42 ft |
| Location | In Nezperce |
| NBI structure number | 000000000014941 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2021 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Idaho department of transportation.
Busiest bridges in Lewis County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 12 over Clearwater R.(kamiah Br) | 1998 | 4,700 | Fair |
| US 95 over Lapwai Creek | 2019 | 3,600 | Good |
| US 95 over Lapwai Creek | 2019 | 3,600 | Good |
| US 95 over Lapwai Creek | 2019 | 3,600 | Good |
| US 95 over Lapwai Creek | 2019 | 3,600 | Good |
| US 95 over Lapwai Creek | 2019 | 3,600 | Good |
All bridges nearby: Lewis County, ID bridge conditions · every bridge in Lewis County · Idaho bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.