IRR SR 73 over Round Top Wash
Fair Condition59 years old5,434 vehicles/day
Location
| State | Arizona |
| County | Navajo |
| Location | 36.9 Mi E Jct US 60 |
| Carries | IRR SR 73 |
| Crosses | Round Top Wash |
| Coordinates | 33.94793, -109.93076 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 24.0 ft (7.3 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 75.9 sq m |
| Main Spans | 2 |
| Year Built | 1967 |
Traffic
| Avg Daily Traffic | 5,434 (2022) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 04351 |