Sand Road over Galloway Canal
Washington County, Idaho · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Sand Road over Galloway Canal in Washington County, Idaho, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1930 and reconstructed in 2012, making it 95 years old at the 2025 inventory.
- It carries about 50 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 50 of the 80 inventoried bridges in Washington County rated fair (62.5%); 4 (5.0%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: deck 7 to 8, superstructure 7 to 9, substructure 5 to 6.
- Its most recent inspection on record is dated November 2024, on a 48-month routine inspection cycle.
- 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 → (44.24158, -116.90666)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 8 | Very good condition |
| Superstructure | 7 | 9 | Excellent condition |
| Substructure | 5 | 6 | Satisfactory condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 26 ft |
| Location | 0.3 S. 3.1 E. Weiser |
| NBI structure number | 000000000028970 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 2024 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Idaho department of transportation.
Busiest bridges in Washington County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 95 over Robertson Slough | 2017 | 7,800 | Good |
| US 95 over Weiser River | 2013 | 7,700 | Fair |
| US 95 over Monroe Creek | 1999 | 5,600 | Good |
| US 95 over Galloway Canal | 1999 | 5,600 | Good |
| US 95 over Manns Creek | 2004 | 4,400 | Fair |
| US 95 over Sage Creek | 1964 | 4,400 | Fair |
All bridges nearby: Washington County, ID bridge conditions · every bridge in Washington County · Idaho bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.