NM-502 over NM-4
FairSanta Fe County, New Mexico · NM-4 & NM-502 Interchange · Structure no. 000000000008623
- Built
- 1988
- 37 years old
- Condition
- Fair
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 107 ft
- 1 main span
- Daily traffic
- 10,872
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NM-502 over NM-4 is a prestressed concrete stringer/multi-beam or girder carrying NM-502 over NM-4 in Santa Fe 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 10,872 vehicles a day, roughly 13% of them trucks, projected to reach 14,785 by 2043. The structure is 107 ft (32.6 m) long and 71 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 | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NM-502 over NM-4 built?
It was built in 1988, making it 37 years old in 2025.
What condition is NM-502 over NM-4 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 2024.
How much traffic does NM-502 over NM-4 carry?
About 10,872 vehicles per day (2023 count), of which roughly 13% are trucks.
How long is NM-502 over NM-4?
The structure is 107 ft (32.6 m) long with a longest span of 107 ft (32.6 m) and a deck 71 ft wide.
Who owns NM-502 over NM-4?
It is owned by the State Highway Agency.