Bostwick Lake Road over Bostwick No. 4
Fair Condition20 years old10 vehicles/day
Location
| State | Alaska |
| County | Ketchikan Gateway |
| Location | Mile Point 2.7 |
| Carries | Bostwick Lake Road |
| Crosses | Bostwick No. 4 |
| Coordinates | 55.32117, -131.74926 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 30.8 ft (9.4 m) |
| Max Span | 30.8 ft (9.4 m) |
| Deck Width | 24.6 ft (7.5 m) |
| Deck Area | 70.5 sq m |
| Main Spans | 1 |
| Year Built | 2006 |
Traffic
| Avg Daily Traffic | 10 (2018) |
| Truck Traffic | 70% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Park/Forest Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 2349 |