IRR/NM-4 over Unnamed Waterway
GoodSandoval County, New Mexico · 3.9 M N of JCT NM-4/US550 · Structure no. 000000000005089
- Built
- 1941
- 84 years old
- Condition
- Good
- inspected June 2022
- Type
- Culvert
- Concrete
- Length
- 21 ft
- 3 main spans
- Daily traffic
- 4,297
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
IRR/NM-4 over Unnamed Waterway is a concrete culvert carrying IRR/NM-4 over Unnamed Waterway in Sandoval County, New Mexico. It was built in 1941, so it is 84 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 4,297 vehicles a day, roughly 11% of them trucks, projected to reach 5,843 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 98.8 mi (159 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 IRR/NM-4 over Unnamed Waterway built?
It was built in 1941, making it 84 years old in 2025.
What condition is IRR/NM-4 over Unnamed Waterway 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 June 2022.
How much traffic does IRR/NM-4 over Unnamed Waterway carry?
About 4,297 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is IRR/NM-4 over Unnamed Waterway?
The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).
Who owns IRR/NM-4 over Unnamed Waterway?
It is owned by the State Highway Agency.