SR 51 over 20th Street Northbound
Fair Condition36 years old180,704 vehicles/day
Location
| State | Arizona |
| County | Maricopa |
| Location | 20th Street And SR 51 |
| Carries | SR 51 |
| Crosses | 20th Street Northbound |
| Coordinates | 33.47770, -112.03830 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Single/Spread |
| Total Length | 144.0 ft (43.9 m) |
| Max Span | 131.9 ft (40.2 m) |
| Deck Width | 129.3 ft (39.4 m) |
| Deck Area | 1729.7 sq m |
| Main Spans | 1 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 180,704 (2022) |
| Truck Traffic | 7% |
| Lanes On Bridge | 8 |
| Lanes Under Bridge | 1 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 02429 |