NM-406 over North Canadian River
FairUnion County, New Mexico · 19.2 MI N of JCT US-56/64 · Structure no. 000000000007648
- Built
- 1977
- 48 years old
- Condition
- Fair
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 201 ft
- 4 main spans
- Daily traffic
- 169
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NM-406 over North Canadian River is a prestressed concrete continuous stringer/multi-beam or girder carrying NM-406 over North Canadian River in Union County, New Mexico. It was built in 1977, so it is 48 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 169 vehicles a day, roughly 11% of them trucks, projected to reach 229 by 2043. The structure is 201 ft (61.3 m) long and 35 ft wide. If it were closed, the detour would be 49.7 mi (80 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NM-406 over North Canadian River built?
It was built in 1977, making it 48 years old in 2025.
What condition is NM-406 over North Canadian 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 January 2025.
How much traffic does NM-406 over North Canadian River carry?
About 169 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is NM-406 over North Canadian River?
The structure is 201 ft (61.3 m) long with a longest span of 52 ft (15.9 m) and a deck 35 ft wide.
Who owns NM-406 over North Canadian River?
It is owned by the State Highway Agency.