IRR SR 85 over Gibson Wash
Good Condition82 years old2,777 vehicles/day
Location
| State | Arizona |
| County | Pima |
| Location | 41.4 Mi S Jct B 8 |
| Carries | IRR SR 85 |
| Crosses | Gibson Wash |
| Coordinates | 32.37790, -112.87240 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 32.2 ft (9.8 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Width | 50.9 ft (15.5 m) |
| Deck Area | 151.9 sq m |
| Main Spans | 3 |
| Year Built | 1944 |
Traffic
| Avg Daily Traffic | 2,777 (2020) |
| Truck Traffic | 11% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2021 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 04579 |