US-550 Sbl over Rio Grande River
FairSandoval County, New Mexico · 1.4 M NW JCT I-25/US-550 · Structure no. 000000000008537
- Built
- 1986
- 39 years old, rebuilt 2018
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 694 ft
- 8 main spans
- Daily traffic
- 91,260
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US-550 Sbl over Rio Grande River is a prestressed concrete continuous stringer/multi-beam or girder carrying US-550 Sbl over Rio Grande River in Sandoval County, New Mexico. It was built in 1986 and reconstructed in 2018, so it is 39 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 91,260 vehicles a day, roughly 12% of them trucks, projected to reach 124,113 by 2043. The structure is 694 ft (211.5 m) long and 37 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 | 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 Sbl over Rio Grande River built?
It was built in 1986, making it 39 years old in 2025. It was reconstructed in 2018.
What condition is US-550 Sbl over Rio Grande River 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 April 2023.
How much traffic does US-550 Sbl over Rio Grande River carry?
About 91,260 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is US-550 Sbl over Rio Grande River?
The structure is 694 ft (211.5 m) long with a longest span of 91 ft (27.7 m) and a deck 37 ft wide.
Who owns US-550 Sbl over Rio Grande River?
It is owned by the State Highway Agency.