Young St/sayles ST over Dunton ST Viaduct
Fair Condition47 years old565 vehicles/day
Location
| State | Alaska |
| County | Ketchikan Gateway |
| Location | Mile Point 0.1 |
| Carries | Young St/sayles ST |
| Crosses | Dunton ST Viaduct |
| Coordinates | 55.34583, -131.65611 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 540.0 ft (164.6 m) |
| Max Span | 20.0 ft (6.1 m) |
| Deck Width | 14.1 ft (4.3 m) |
| Deck Area | 707.8 sq m |
| Main Spans | 28 |
| Year Built | 1979 |
Traffic
| Avg Daily Traffic | 565 (2018) |
| Truck Traffic | 5% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0453 |