I-25 Nbl over County RD-21
GoodSan Miguel County, New Mexico · 1.4 MI S of JCT NM-104 · Structure no. 000000000008239
- Built
- 1982
- 43 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 139 ft
- 3 main spans
- Daily traffic
- 9,446
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-25 Nbl over County RD-21 is a prestressed concrete continuous stringer/multi-beam or girder carrying I-25 Nbl over County RD-21 in San Miguel County, New Mexico. It was built in 1982, so it is 43 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 9,446 vehicles a day, roughly 45% of them trucks, projected to reach 12,846 by 2043. The structure is 139 ft (42.4 m) long and 45 ft wide.
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 I-25 Nbl over County RD-21 built?
It was built in 1982, making it 43 years old in 2025.
What condition is I-25 Nbl over County RD-21 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 July 2024.
How much traffic does I-25 Nbl over County RD-21 carry?
About 9,446 vehicles per day (2023 count), of which roughly 45% are trucks.
How long is I-25 Nbl over County RD-21?
The structure is 139 ft (42.4 m) long with a longest span of 56 ft (17.1 m) and a deck 45 ft wide.
Who owns I-25 Nbl over County RD-21?
It is owned by the State Highway Agency.