NM-581 over Arroyo Seco
FairRio Arriba County, New Mexico · 0.10 MI N of JCT Nm 399 · Structure no. 000000000008150
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected September 2024
- Type
- Slab
- Concrete Continuous
- Length
- 121 ft
- 4 main spans
- Daily traffic
- 1,086
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NM-581 over Arroyo Seco is a concrete continuous slab carrying NM-581 over Arroyo Seco in Rio Arriba County, New Mexico. It was built in 1979, so it is 46 years old, younger 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 1,086 vehicles a day, roughly 5% of them trucks, projected to reach 1,476 by 2043. The structure is 121 ft (37 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NM-581 over Arroyo Seco built?
It was built in 1979, making it 46 years old in 2025.
What condition is NM-581 over Arroyo Seco 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 September 2024.
How much traffic does NM-581 over Arroyo Seco carry?
About 1,086 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is NM-581 over Arroyo Seco?
The structure is 121 ft (37 m) long with a longest span of 33 ft (10 m) and a deck 33 ft wide.
Who owns NM-581 over Arroyo Seco?
It is owned by the State Highway Agency.