NM-1 over Unnamed Waterway
FairSierra County, New Mexico · 0.5 W & N of I-25/EXT100 · Structure no. 000000000002078
- Built
- 1938
- 87 years old
- Condition
- Fair
- inspected February 2024
- Type
- Culvert
- Concrete
- Length
- 41 ft
- 3 main spans
- Daily traffic
- 27
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NM-1 over Unnamed Waterway is a concrete culvert carrying NM-1 over Unnamed Waterway in Sierra County, New Mexico. It was built in 1938, so it is 87 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 27 vehicles a day, roughly 11% of them trucks, projected to reach 36 by 2043. The structure is 41 ft (12.4 m) long. If it were closed, the detour would be 5 mi (8 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 NM-1 over Unnamed Waterway built?
It was built in 1938, making it 87 years old in 2025.
What condition is NM-1 over Unnamed Waterway 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 February 2024.
How much traffic does NM-1 over Unnamed Waterway carry?
About 27 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is NM-1 over Unnamed Waterway?
The structure is 41 ft (12.4 m) long with a longest span of 9 ft (2.7 m).
Who owns NM-1 over Unnamed Waterway?
It is owned by the State Highway Agency.