Irr:steese Highway over Birch Creek
Fair Condition69 years old110 vehicles/day
Location
| State | Alaska |
| County | Yukon-Koyukuk |
| Location | Mile Point 141.3 |
| Carries | Irr:steese Highway |
| Crosses | Birch Creek |
| Coordinates | 65.71013, -144.33430 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 355.0 ft (108.2 m) |
| Max Span | 200.1 ft (61 m) |
| Deck Width | 16.1 ft (4.9 m) |
| Deck Area | 530.2 sq m |
| Main Spans | 2 |
| Year Built | 1957 (reconstructed 2007) |
Traffic
| Avg Daily Traffic | 110 (2020) |
| Truck Traffic | 13% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0355 |