I-25 Nbl over NM-21
FairColfax County, New Mexico · JCT I-25/NM-21 @ Springer · Structure no. 000000000007293
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 145 ft
- 3 main spans
- Daily traffic
- 4,664
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-25 Nbl over NM-21 is a prestressed concrete stringer/multi-beam or girder carrying I-25 Nbl over NM-21 in Colfax County, New Mexico. It was built in 1973, so it is 52 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 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 4,664 vehicles a day, roughly 45% of them trucks, projected to reach 6,343 by 2043. The structure is 145 ft (44.2 m) long and 45 ft wide.
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-25 Nbl over NM-21 built?
It was built in 1973, making it 52 years old in 2025.
What condition is I-25 Nbl over NM-21 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 March 2023.
How much traffic does I-25 Nbl over NM-21 carry?
About 4,664 vehicles per day (2023 count), of which roughly 45% are trucks.
How long is I-25 Nbl over NM-21?
The structure is 145 ft (44.2 m) long with a longest span of 49 ft (14.9 m) and a deck 45 ft wide.
Who owns I-25 Nbl over NM-21?
It is owned by the State Highway Agency.