NM-423 over BNSF Railroad
FairBernalillo County, New Mexico · 1.86 MI W JCT I-25/NM423 · Structure no. 000000000008695
- Built
- 1988
- 37 years old
- Condition
- Fair
- inspected February 2025
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 62 ft
- 1 main span
- Daily traffic
- 84,499
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NM-423 over BNSF Railroad is a prestressed concrete stringer/multi-beam or girder carrying NM-423 over BNSF Railroad in Bernalillo County, New Mexico. It was built in 1988, so it is 37 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 fair condition with a lowest component rating of 5 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 84,499 vehicles a day, roughly 12% of them trucks, projected to reach 114,918 by 2043. The structure is 62 ft (18.9 m) long and 103 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NM-423 over BNSF Railroad built?
It was built in 1988, making it 37 years old in 2025.
What condition is NM-423 over BNSF Railroad 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 February 2025.
How much traffic does NM-423 over BNSF Railroad carry?
About 84,499 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is NM-423 over BNSF Railroad?
The structure is 62 ft (18.9 m) long with a longest span of 60 ft (18.3 m) and a deck 103 ft wide.
Who owns NM-423 over BNSF Railroad?
It is owned by the State Highway Agency.