Main Avenue over Tucson Arroyo
Fair Condition88 years old2,010 vehicles/day
Location
| State | Arizona |
| County | Pima |
| Location | 300 N Jct ST Marys RD |
| Carries | Main Avenue |
| Crosses | Tucson Arroyo |
| Coordinates | 32.22860, -110.97710 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 5 (Fair) |
| 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 | 191.4 sq m |
| Main Spans | 3 |
| Year Built | 1938 (reconstructed 1944) |
Traffic
| Avg Daily Traffic | 2,010 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 48 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 09767 |