SR 189 Ramp SW over Mariposa Canyon Wash
Good Condition5 years old2,480 vehicles/day
Location
| State | Arizona |
| County | Santa Cruz |
| Location | I-19 & Sr189 Junc |
| Carries | SR 189 Ramp SW |
| Crosses | Mariposa Canyon Wash |
| Coordinates | 31.36480, -110.94700 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 946.9 ft (288.6 m) |
| Max Span | 134.8 ft (41.1 m) |
| Deck Width | 31.5 ft (9.6 m) |
| Deck Area | 2770.6 sq m |
| Main Spans | 7 |
| Year Built | 2021 |
Traffic
| Avg Daily Traffic | 2,480 (2022) |
| Truck Traffic | 10% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 20199 |