US-550 over Arroyo Piedra Parada
FairSandoval County, New Mexico · 20.8 MI NW of JCT I-25 · Structure no. 000000000007548
- Built
- 1979
- 46 years old, rebuilt 1998
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 178 ft
- 3 main spans
- Daily traffic
- 9,796
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US-550 over Arroyo Piedra Parada is a prestressed concrete continuous stringer/multi-beam or girder carrying US-550 over Arroyo Piedra Parada in Sandoval County, New Mexico. It was built in 1979 and reconstructed in 1998, 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 9,796 vehicles a day, roughly 17% of them trucks, projected to reach 13,322 by 2043. The structure is 178 ft (54.3 m) long and 83 ft wide. 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| 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 US-550 over Arroyo Piedra Parada built?
It was built in 1979, making it 46 years old in 2025. It was reconstructed in 1998.
What condition is US-550 over Arroyo Piedra Parada 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 US-550 over Arroyo Piedra Parada carry?
About 9,796 vehicles per day (2023 count), of which roughly 17% are trucks.
How long is US-550 over Arroyo Piedra Parada?
The structure is 178 ft (54.3 m) long with a longest span of 59 ft (18 m) and a deck 83 ft wide.
Who owns US-550 over Arroyo Piedra Parada?
It is owned by the State Highway Agency.