Nm-4 over Unnamed Waterway
Good Condition72 years old1,036 vehicles/day
Location
| State | New Mexico |
| County | Los Alamos |
| Location | Nm 4 Mm 61.6 |
| Carries | Nm-4 |
| Crosses | Unnamed Waterway |
| Coordinates | 35.81280, -106.23248 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 34.8 ft (10.6 m) |
| Max Span | 7.9 ft (2.4 m) |
| Deck Area | 75.3 sq m |
| Main Spans | 4 |
| Year Built | 1954 |
Traffic
| Avg Daily Traffic | 1,036 (2023) |
| Truck Traffic | 11% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000005693 |