Irr Bia 12 over Irrigation Canal
Elko County, Nevada · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Irr Bia 12 over Irrigation Canal in Elko County, Nevada, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1970, making it 55 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 2024).
- It is one of 122 of the 221 inventoried bridges in Elko County rated fair (55.2%); 5 (2.3%) are rated poor.
- 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 → (41.92594, -116.11203)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 5 | Fair condition |
Bridge details
| Structure | Steel culvert |
| Length | about 22 ft |
| Location | 2.6 Km SW of Owyhee |
| NBI structure number | 0000H64641B0325 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Nevada department of transportation.
Busiest bridges in Elko County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR225 Mtn City Hw over I 80 | 1976 | 29,800 | Good |
| 12th ST over Humboldt Rvr | 1979 | 18,400 | Fair |
| 12TH St over Water St Sprr UPRR | 1979 | 18,400 | Fair |
| I 80 over Dry Susie Crk | 1976 | 11,300 | Fair |
| I 80 over Dry Wash | 1968 | 10,400 | Fair |
| I 80 over Marys Crk | 1976 | 9,350 | Fair |
All bridges nearby: Elko County, NV bridge conditions · every bridge in Elko County · Nevada bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.