NM-556 over Bear Canyon Arroyo
FairBernalillo County, New Mexico · 0.74 MI N of Montgomery · Structure no. 000000000008889
- Built
- 1992
- 33 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 78 ft
- 1 main span
- Daily traffic
- 23,907
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NM-556 over Bear Canyon Arroyo is a prestressed concrete stringer/multi-beam or girder carrying NM-556 over Bear Canyon Arroyo in Bernalillo County, New Mexico. It was built in 1992, so it is 33 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 23,907 vehicles a day, roughly 13% of them trucks, projected to reach 32,513 by 2043. The structure is 78 ft (23.8 m) long and 137 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 | 7 Good | Some minor problems. |
| 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-556 over Bear Canyon Arroyo built?
It was built in 1992, making it 33 years old in 2025.
What condition is NM-556 over Bear Canyon Arroyo 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 July 2024.
How much traffic does NM-556 over Bear Canyon Arroyo carry?
About 23,907 vehicles per day (2023 count), of which roughly 13% are trucks.
How long is NM-556 over Bear Canyon Arroyo?
The structure is 78 ft (23.8 m) long with a longest span of 75 ft (22.9 m) and a deck 137 ft wide.
Who owns NM-556 over Bear Canyon Arroyo?
It is owned by the State Highway Agency.