NM-466 over Arroyo Chamiso
FairSanta Fe County, New Mexico · 1.05 MI N EXT-284 of I-25 · Structure no. 000000000005315
- Built
- 1946
- 79 years old
- Condition
- Fair
- inspected April 2023
- Type
- Culvert
- Concrete
- Length
- 43 ft
- 4 main spans
- Daily traffic
- 16,790
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NM-466 over Arroyo Chamiso is a concrete culvert carrying NM-466 over Arroyo Chamiso in Santa Fe County, New Mexico. It was built in 1946, so it is 79 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 16,790 vehicles a day, roughly 13% of them trucks, projected to reach 22,834 by 2043. The structure is 43 ft (13 m) long. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NM-466 over Arroyo Chamiso built?
It was built in 1946, making it 79 years old in 2025.
What condition is NM-466 over Arroyo Chamiso 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 2023.
How much traffic does NM-466 over Arroyo Chamiso carry?
About 16,790 vehicles per day (2023 count), of which roughly 13% are trucks.
How long is NM-466 over Arroyo Chamiso?
The structure is 43 ft (13 m) long with a longest span of 8 ft (2.4 m).
Who owns NM-466 over Arroyo Chamiso?
It is owned by the State Highway Agency.