IRR/US-550 over Unnamed Waterway
FairSandoval County, New Mexico · 13.9 MI NW of JCT NM-126 · Structure no. 000000000007972
- Built
- 1978
- 47 years old
- Condition
- Fair
- inspected August 2023
- Type
- Culvert
- Concrete
- Length
- 26 ft
- 2 main spans
- Daily traffic
- 5,662
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
IRR/US-550 over Unnamed Waterway is a concrete culvert carrying IRR/US-550 over Unnamed Waterway in Sandoval County, New Mexico. It was built in 1978, so it is 47 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 5,662 vehicles a day, roughly 35% of them trucks, projected to reach 7,700 by 2043. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 98.8 mi (159 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 IRR/US-550 over Unnamed Waterway built?
It was built in 1978, making it 47 years old in 2025.
What condition is IRR/US-550 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 August 2023.
How much traffic does IRR/US-550 over Unnamed Waterway carry?
About 5,662 vehicles per day (2023 count), of which roughly 35% are trucks.
How long is IRR/US-550 over Unnamed Waterway?
The structure is 26 ft (7.9 m) long with a longest span of 10 ft (3 m).
Who owns IRR/US-550 over Unnamed Waterway?
It is owned by the State Highway Agency.