NM-4 over Unnamed Waterway
GoodSanta Fe County, New Mexico · 4.1 MI W of NM-30 · Structure no. 000000000008104
- Built
- 1978
- 47 years old
- Condition
- Good
- inspected January 2021
- Type
- Culvert
- Steel
- Length
- 26 ft
- 2 main spans
- Daily traffic
- 18,361
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NM-4 over Unnamed Waterway is a steel culvert carrying NM-4 over Unnamed Waterway in Santa Fe County, New Mexico. It was built in 1978, so it is 47 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 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 18,361 vehicles a day, roughly 17% of them trucks, projected to reach 24,970 by 2043. The structure is 26 ft (7.9 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 | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NM-4 over Unnamed Waterway built?
It was built in 1978, making it 47 years old in 2025.
What condition is 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 January 2021.
How much traffic does NM-4 over Unnamed Waterway carry?
About 18,361 vehicles per day (2023 count), of which roughly 17% are trucks.
How long is NM-4 over Unnamed Waterway?
The structure is 26 ft (7.9 m) long with a longest span of 10 ft (3 m).
Who owns NM-4 over Unnamed Waterway?
It is owned by the State Highway Agency.