ST Marys RD over Santa Cruz River
Fair Condition76 years old15,769 vehicles/day
Location
| State | Arizona |
| County | Pima |
| Location | ST Marys RD W Of I 10 |
| Carries | ST Marys RD |
| Crosses | Santa Cruz River |
| Coordinates | 32.22960, -110.98500 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 225.1 ft (68.6 m) |
| Max Span | 60.0 ft (18.3 m) |
| Deck Width | 63.6 ft (19.4 m) |
| Deck Area | 1330.8 sq m |
| Main Spans | 4 |
| Year Built | 1950 |
Traffic
| Avg Daily Traffic | 15,769 (2022) |
| Truck Traffic | 10% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 09005 |