Dalton Highway over South Fork Bonanza Creek
Good Condition54 years old140 vehicles/day
Location
| State | Alaska |
| County | Yukon-Koyukuk |
| Location | Mile Point 124.3 |
| Carries | Dalton Highway |
| Crosses | South Fork Bonanza Creek |
| Coordinates | 66.66177, -150.66549 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 91.9 ft (28 m) |
| Max Span | 60.0 ft (18.3 m) |
| Deck Width | 27.6 ft (8.4 m) |
| Deck Area | 235.2 sq m |
| Main Spans | 1 |
| Year Built | 1972 (reconstructed 1992) |
Traffic
| Avg Daily Traffic | 140 (2020) |
| Truck Traffic | 61% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 1257 |