IRR BIA RTE 4 over Zuni River
Good Condition50 years old3,000 vehicles/day
Location
| State | New Mexico |
| County | McKinley |
| Location | .5 Km No. Jct HWY 53 & 4 |
| Carries | IRR BIA RTE 4 |
| Crosses | Zuni River |
| Coordinates | 35.10041, -108.75159 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 182.1 ft (55.5 m) |
| Max Span | 60.0 ft (18.3 m) |
| Deck Width | 43.3 ft (13.2 m) |
| Deck Area | 732.6 sq m |
| Main Spans | 3 |
| Year Built | 1976 |
Traffic
| Avg Daily Traffic | 3,000 (2023) |
| Truck Traffic | 15% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | Bureau of Indian Affairs |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 00000000000M413 |