I-25 Nbl/Sbl over South Canyon
FairSierra County, New Mexico · 5.2 Miles South of Exit · Structure no. 000000000006874
- Built
- 1967
- 58 years old, rebuilt 1979
- Condition
- Fair
- inspected April 2024
- Type
- Culvert
- Concrete
- Length
- 33 ft
- 4 main spans
- Daily traffic
- 5,806
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-25 Nbl/Sbl over South Canyon is a concrete culvert carrying I-25 Nbl/Sbl over South Canyon in Sierra County, New Mexico. It was built in 1967 and reconstructed in 1979, so it is 58 years old, older than the New Mexico average of 51.5 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 5,806 vehicles a day, roughly 45% of them trucks, projected to reach 7,896 by 2043. The structure is 33 ft (10.2 m) long. If it were closed, the detour would be 19.9 mi (32 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-25 Nbl/Sbl over South Canyon built?
It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1979.
What condition is I-25 Nbl/Sbl over South Canyon 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 April 2024.
How much traffic does I-25 Nbl/Sbl over South Canyon carry?
About 5,806 vehicles per day (2023 count), of which roughly 45% are trucks.
How long is I-25 Nbl/Sbl over South Canyon?
The structure is 33 ft (10.2 m) long with a longest span of 8 ft (2.4 m).
Who owns I-25 Nbl/Sbl over South Canyon?
It is owned by the State Highway Agency.