NM-370 over Alamosita Creek
FairUnion County, New Mexico · 16.5 MI North JCT US64-87 · Structure no. 000000000006232
- Built
- 1960
- 65 years old
- Condition
- Fair
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 58 ft
- 2 main spans
- Daily traffic
- 82
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NM-370 over Alamosita Creek is a wood or timber stringer/multi-beam or girder carrying NM-370 over Alamosita Creek in Union County, New Mexico. It was built in 1960, so it is 65 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 5 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 82 vehicles a day, roughly 10% of them trucks, projected to reach 111 by 2043. The structure is 58 ft (17.7 m) long and 30 ft wide. If it were closed, the detour would be 18 mi (29 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NM-370 over Alamosita Creek built?
It was built in 1960, making it 65 years old in 2025.
What condition is NM-370 over Alamosita Creek 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-370 over Alamosita Creek carry?
About 82 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is NM-370 over Alamosita Creek?
The structure is 58 ft (17.7 m) long with a longest span of 31 ft (9.4 m) and a deck 30 ft wide.
Who owns NM-370 over Alamosita Creek?
It is owned by the State Highway Agency.