IRR BIA RTE N4 over Cottonwood Wash
Fair Condition16 years old4,035 vehicles/day
Location
| State | Arizona |
| County | Apache |
| Location | 15 Miles West HWY 191 |
| Carries | IRR BIA RTE N4 |
| Crosses | Cottonwood Wash |
| Coordinates | 36.07356, -109.88722 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 5 (Fair) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Culvert |
| Total Length | 26.2 ft (8 m) |
| Max Span | 11.8 ft (3.6 m) |
| Deck Width | 114.8 ft (35 m) |
| Deck Area | 280 sq m |
| Main Spans | 2 |
| Year Built | 2010 |
Traffic
| Avg Daily Traffic | 4,035 (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 | 0000N35780B0551 |