Irr Bia Rte 10 over Irrigation Canal
Mineral County, Nevada · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Irr Bia Rte 10 over Irrigation Canal in Mineral County, Nevada, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1980, making it 45 years old at the 2025 inventory.
- It carries about 50 vehicles a day (traffic count year 2023).
- It is one of 4 of the 7 inventoried bridges in Mineral County rated fair (57.1%); 0 (0.0%) 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 September 2023, on a 24-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 → (38.94997, -118.79375)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Concrete slab |
| Length | about 22 ft |
| Location | Double Springs Road |
| NBI structure number | 0000H61656B0342 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2023 |
| Inspection interval (item 91) | 24 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 Nevada department of transportation.
Busiest bridges in Mineral County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 95 over Dry Wash | 1956 | 3,700 | Good |
| Irr US 95 over Walker Rvr | 2005 | 2,800 | Good |
| SR361 Gabbs Valley over Petrified Wash | 2019 | 370 | Good |
| Lake Pasture Road over Walker River | 1990 | 300 | Fair |
| Irr Bia Route 7 over Weber Reservoir Tribu. | 2010 | 75 | Fair |
| Bia Rte 0007 over Weber Reservoir | 1935 | 25 | Fair |
All bridges nearby: Mineral County, NV bridge conditions · every bridge in Mineral County · Nevada bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.