NM-546 over I-25 Nbl and Sbl
GoodSierra County, New Mexico · 0.7 M E JCT NM-187/I-25 · Structure no. 000000000006494
- Built
- 1965
- 60 years old, rebuilt 2002
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 229 ft
- 5 main spans
- Daily traffic
- 245
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NM-546 over I-25 Nbl and Sbl is a prestressed concrete stringer/multi-beam or girder carrying NM-546 over I-25 Nbl and Sbl in Sierra County, New Mexico. It was built in 1965 and reconstructed in 2002, so it is 60 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 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 245 vehicles a day, roughly 11% of them trucks, projected to reach 333 by 2043. The structure is 229 ft (69.8 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NM-546 over I-25 Nbl and Sbl built?
It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2002.
What condition is NM-546 over I-25 Nbl and Sbl 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 March 2023.
How much traffic does NM-546 over I-25 Nbl and Sbl carry?
About 245 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is NM-546 over I-25 Nbl and Sbl?
The structure is 229 ft (69.8 m) long with a longest span of 52 ft (15.8 m) and a deck 31 ft wide.
Who owns NM-546 over I-25 Nbl and Sbl?
It is owned by the State Highway Agency.