Irr:airport Road over Unnamed Creek Koliganek
Poor Condition46 years old50 vehicles/day
Location
| State | Alaska |
| County | Dillingham |
| Location | Koliganek |
| Carries | Irr:airport Road |
| Crosses | Unnamed Creek Koliganek |
| Coordinates | 59.72757, -157.28313 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 40.0 ft (12.2 m) |
| Max Span | 39.0 ft (11.9 m) |
| Deck Width | 15.1 ft (4.6 m) |
| Deck Area | 56.1 sq m |
| Main Spans | 1 |
| Year Built | 1980 |
Traffic
| Avg Daily Traffic | 50 (2018) |
| Truck Traffic | 1% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 1556 |