IRR BIA RTE N4 over Wepo Wash
Poor Condition36 years old4,078 vehicles/day
Location
| State | Arizona |
| County | Navajo |
| Location | 1 Mi East Of Pinon Az |
| Carries | IRR BIA RTE N4 |
| Crosses | Wepo Wash |
| Coordinates | 36.09136, -110.21014 |
Condition Ratings
| Overall Condition | Poor |
| Channel/Waterway | 4 (Poor) |
| Culvert | 4 (Poor) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 26.6 ft (8.1 m) |
| Max Span | 5.9 ft (1.8 m) |
| Deck Width | 92.5 ft (28.2 m) |
| Deck Area | 228.4 sq m |
| Main Spans | 4 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 4,078 (2023) |
| Truck Traffic | 10% |
| 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 | 00000000000N540 |