Gravina Island over Gravina Ferry Layup Fac
Good Condition3 years old10 vehicles/day
Location
| State | Alaska |
| County | Ketchikan Gateway |
| Location | Ketchikan Airport |
| Carries | Gravina Island |
| Crosses | Gravina Ferry Layup Fac |
| Coordinates | 55.35472, -131.70473 |
Condition Ratings
| Overall Condition | Good |
| Deck | 9 (Excellent) |
| Superstructure | 9 (Excellent) |
| Substructure | 9 (Excellent) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 140.1 ft (42.7 m) |
| Max Span | 139.4 ft (42.5 m) |
| Deck Width | 18.7 ft (5.7 m) |
| Deck Area | 243.4 sq m |
| Main Spans | 1 |
| Year Built | 2023 |
Traffic
| Avg Daily Traffic | 10 (2012) |
| Truck Traffic | 1% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 1704 |