S 15th ST over N-n Ramp
Good Condition39 years old3,690 vehicles/day
Location
| State | Washington |
| County | Pierce |
| Location | 1.1 N Jct I-5 |
| Carries | S 15th ST |
| Crosses | N-n Ramp |
| Coordinates | 47.24945, -122.43619 |
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 | 509.8 ft (155.4 m) |
| Max Span | 165.0 ft (50.3 m) |
| Deck Width | 34.1 ft (10.4 m) |
| Deck Area | 1616.2 sq m |
| Main Spans | 4 |
| Year Built | 1987 |
Traffic
| Avg Daily Traffic | 3,690 (2007) |
| Truck Traffic | 3% |
| Lanes On Bridge | 1 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0012648B0000000 |