IRR BIA RTE 4 over Oraibi Wash
Fair Condition47 years old165 vehicles/day
Location
| State | Arizona |
| County | Navajo |
| Location | 23 Km North Of HWY 264 |
| Carries | IRR BIA RTE 4 |
| Crosses | Oraibi Wash |
| Coordinates | 36.04056, -110.47658 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 225.4 ft (68.7 m) |
| Max Span | 76.4 ft (23.3 m) |
| Deck Width | 41.0 ft (12.5 m) |
| Deck Area | 858.8 sq m |
| Main Spans | 3 |
| Year Built | 1979 |
Traffic
| Avg Daily Traffic | 165 (2024) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | Bureau of Indian Affairs |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 00000000000H220 |