IRR US 89 over Old Flat Wash
Good Condition65 years old7,618 vehicles/day
Location
| State | Arizona |
| County | Coconino |
| Location | 3.31 Mi N Jct SR 64 |
| Carries | IRR US 89 |
| Crosses | Old Flat Wash |
| Coordinates | 35.90210, -111.40520 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 44.0 ft (13.4 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Width | 50.9 ft (15.5 m) |
| Deck Area | 207.7 sq m |
| Main Spans | 4 |
| Year Built | 1961 |
Traffic
| Avg Daily Traffic | 7,618 (2020) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 822 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 04813 |