US-550 over Irrigation Ditch
GoodSandoval County, New Mexico · 1.26 MI NW of JCT I-25 · Structure no. 000000000003112
- Built
- 1938
- 87 years old, rebuilt 1985
- Condition
- Good
- inspected January 2025
- Type
- Culvert
- Concrete
- Length
- 27 ft
- 3 main spans
- Daily traffic
- 91,260
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US-550 over Irrigation Ditch is a concrete culvert carrying US-550 over Irrigation Ditch in Sandoval County, New Mexico. It was built in 1938 and reconstructed in 1985, so it is 87 years old, older than the New Mexico average of 51.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 91,260 vehicles a day, roughly 12% of them trucks, projected to reach 124,113 by 2043. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 24.9 mi (40 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US-550 over Irrigation Ditch built?
It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1985.
What condition is US-550 over Irrigation Ditch in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.
How much traffic does US-550 over Irrigation Ditch carry?
About 91,260 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is US-550 over Irrigation Ditch?
The structure is 27 ft (8.2 m) long with a longest span of 22 ft (6.7 m).
Who owns US-550 over Irrigation Ditch?
It is owned by the State Highway Agency.