Nm-556 over South Domingo Baca
Fair Condition34 years old17,220 vehicles/day
Location
| State | New Mexico |
| County | Bernalillo |
| Location | 2.84mi N Montgomery BLVD |
| Carries | Nm-556 |
| Crosses | South Domingo Baca |
| Coordinates | 35.17155, -106.49644 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 71.9 ft (21.9 m) |
| Max Span | 34.1 ft (10.4 m) |
| Deck Width | 137.1 ft (41.8 m) |
| Deck Area | 915.4 sq m |
| Main Spans | 2 |
| Year Built | 1992 |
Traffic
| Avg Daily Traffic | 17,220 (2023) |
| Truck Traffic | 12% |
| Lanes On Bridge | 6 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000008890 |