NM-51 over Rio Grande
GoodSierra County, New Mexico · 3.1 MI E of LOOP-11\TRUTH · Structure no. 000000000009401
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 356 ft
- 4 main spans
- Daily traffic
- 669
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NM-51 over Rio Grande is a prestressed concrete continuous stringer/multi-beam or girder carrying NM-51 over Rio Grande in Sierra County, New Mexico. It was built in 2007, so it is 18 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 669 vehicles a day, roughly 11% of them trucks, projected to reach 909 by 2043. The structure is 356 ft (108.6 m) long and 45 ft wide. If it were closed, the detour would be 54.1 mi (87 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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-51 over Rio Grande built?
It was built in 2007, making it 18 years old in 2025.
What condition is NM-51 over Rio Grande 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 February 2024.
How much traffic does NM-51 over Rio Grande carry?
About 669 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is NM-51 over Rio Grande?
The structure is 356 ft (108.6 m) long with a longest span of 88 ft (26.8 m) and a deck 45 ft wide.
Who owns NM-51 over Rio Grande?
It is owned by the State Highway Agency.