Nm-4 over Rio San Antonio
Fair Condition60 years old5,364 vehicles/day
Location
| State | New Mexico |
| County | Sandoval |
| Location | 26.4 Mi N Of Jct Us-550 |
| Carries | Nm-4 |
| Crosses | Rio San Antonio |
| Coordinates | 35.86579, -106.63889 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 33.1 ft (10.1 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 108.1 sq m |
| Main Spans | 3 |
| Year Built | 1966 |
Traffic
| Avg Daily Traffic | 5,364 (2023) |
| Truck Traffic | 11% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000006856 |