US-550 over Nmrx
FairSandoval County, New Mexico · 0.2 MI NW of JCT I-25 · Structure no. 000000000008536
- Built
- 1985
- 40 years old, rebuilt 1991
- Condition
- Fair
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 140 ft
- 3 main spans
- Daily traffic
- 41,346
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US-550 over Nmrx is a prestressed concrete continuous stringer/multi-beam or girder carrying US-550 over Nmrx in Sandoval County, New Mexico. It was built in 1985 and reconstructed in 1991, so it is 40 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 41,346 vehicles a day, roughly 12% of them trucks, projected to reach 56,230 by 2043. The structure is 140 ft (42.7 m) long and 87 ft wide. If it were closed, the detour would be 24.9 mi (40 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US-550 over Nmrx built?
It was built in 1985, making it 40 years old in 2025. It was reconstructed in 1991.
What condition is US-550 over Nmrx 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 March 2024.
How much traffic does US-550 over Nmrx carry?
About 41,346 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is US-550 over Nmrx?
The structure is 140 ft (42.7 m) long with a longest span of 49 ft (14.9 m) and a deck 87 ft wide.
Who owns US-550 over Nmrx?
It is owned by the State Highway Agency.