IRR Cordero Mine R over Mcdermitt Crk
FairHumboldt County, Nevada · Southwest of Mcdermitt · Structure no. B 692
- Built
- 1957
- 68 years old
- Condition
- Fair
- inspected July 2023
- Type
- Slab
- Concrete
- Length
- 39 ft
- 1 main span
- Daily traffic
- 20
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
IRR Cordero Mine R over Mcdermitt Crk is a concrete slab carrying IRR Cordero Mine R over Mcdermitt Crk in Humboldt County, Nevada. It was built in 1957, so it is 68 years old, older than the Nevada average of 36.4 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 20 vehicles a day, projected to reach 22 by 2040. The structure is 39 ft (11.9 m) long and 28 ft wide. If it were closed, the detour would be 77.1 mi (124 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR Cordero Mine R over Mcdermitt Crk built?
It was built in 1957, making it 68 years old in 2025.
What condition is IRR Cordero Mine R over Mcdermitt Crk in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.
How much traffic does IRR Cordero Mine R over Mcdermitt Crk carry?
About 20 vehicles per day (2017 count).
How long is IRR Cordero Mine R over Mcdermitt Crk?
The structure is 39 ft (11.9 m) long with a longest span of 38 ft (11.6 m) and a deck 28 ft wide.
Who owns IRR Cordero Mine R over Mcdermitt Crk?
It is owned by the State Highway Agency.