NM-456 over Unnamed Waterway
GoodUnion County, New Mexico · 3.9 MI E of JCT NM-406 · Structure no. 000000000008792
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected April 2024
- Type
- Culvert
- Steel
- Length
- 63 ft
- 5 main spans
- Daily traffic
- 35
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NM-456 over Unnamed Waterway is a steel culvert carrying NM-456 over Unnamed Waterway in Union County, New Mexico. It was built in 1988, so it is 37 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 35 vehicles a day, roughly 11% of them trucks, projected to reach 47 by 2043. The structure is 63 ft (19.2 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-456 over Unnamed Waterway built?
It was built in 1988, making it 37 years old in 2025.
What condition is NM-456 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 April 2024.
How much traffic does NM-456 over Unnamed Waterway carry?
About 35 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is NM-456 over Unnamed Waterway?
The structure is 63 ft (19.2 m) long with a longest span of 10 ft (3 m).
Who owns NM-456 over Unnamed Waterway?
It is owned by the State Highway Agency.