12th ST over I-10
Good Condition40 years old4,277 vehicles/day
Location
| State | Arizona |
| County | Maricopa |
| Location | 3.1 Mi E Jct I-17 |
| Carries | 12th ST |
| Crosses | I-10 |
| Coordinates | 33.46140, -112.05640 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Single/Spread |
| Total Length | 336.0 ft (102.4 m) |
| Max Span | 165.0 ft (50.3 m) |
| Deck Width | 70.9 ft (21.6 m) |
| Deck Area | 2211.8 sq m |
| Main Spans | 2 |
| Year Built | 1986 |
Traffic
| Avg Daily Traffic | 4,277 (2024) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 13 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 01970 |