NM-406 over Road Canyon Draw
PoorUnion County, New Mexico · 4.2 MI S of JCT NM-456 · Structure no. 000000000005748
- Built
- 1957
- 68 years old
- Condition
- Poor
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Concrete Continuous
- Length
- 163 ft
- 4 main spans
- Daily traffic
- 60
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NM-406 over Road Canyon Draw is a concrete continuous stringer/multi-beam or girder carrying NM-406 over Road Canyon Draw in Union County, New Mexico. It was built in 1957, so it is 68 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 60 vehicles a day, roughly 11% of them trucks, projected to reach 81 by 2043. The structure is 163 ft (49.7 m) long and 26 ft wide. If it were closed, the detour would be 98.8 mi (159 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NM-406 over Road Canyon Draw built?
It was built in 1957, making it 68 years old in 2025.
What condition is NM-406 over Road Canyon Draw in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.
How much traffic does NM-406 over Road Canyon Draw carry?
About 60 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is NM-406 over Road Canyon Draw?
The structure is 163 ft (49.7 m) long with a longest span of 40 ft (12.2 m) and a deck 26 ft wide.
Who owns NM-406 over Road Canyon Draw?
It is owned by the State Highway Agency.