IRR US 70 over Cottonwood Canyon
Fair Condition70 years old2,904 vehicles/day
Location
| State | Arizona |
| County | Graham |
| Location | 29.4 Mi E Jct SR 77 |
| Carries | IRR US 70 |
| Crosses | Cottonwood Canyon |
| Coordinates | 33.24149, -110.25969 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 38.1 ft (11.6 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Area | 120.6 sq m |
| Main Spans | 3 |
| Year Built | 1956 |
Traffic
| Avg Daily Traffic | 2,904 (2021) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 04286 |