NM-556 over South Domingo Baca
FairBernalillo County, New Mexico · 2.84MI N Montgomery Blvd · Structure no. 000000000008890
- Built
- 1992
- 33 years old
- Condition
- Fair
- inspected December 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 72 ft
- 2 main spans
- Daily traffic
- 17,220
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NM-556 over South Domingo Baca is a prestressed concrete continuous box beam or girders - multiple carrying NM-556 over South Domingo Baca in Bernalillo County, New Mexico. It was built in 1992, so it is 33 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 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 17,220 vehicles a day, roughly 12% of them trucks, projected to reach 23,419 by 2043. The structure is 72 ft (21.9 m) long and 137 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NM-556 over South Domingo Baca built?
It was built in 1992, making it 33 years old in 2025.
What condition is NM-556 over South Domingo Baca 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 December 2024.
How much traffic does NM-556 over South Domingo Baca carry?
About 17,220 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is NM-556 over South Domingo Baca?
The structure is 72 ft (21.9 m) long with a longest span of 34 ft (10.4 m) and a deck 137 ft wide.
Who owns NM-556 over South Domingo Baca?
It is owned by the State Highway Agency.