Dalton Highway over Atigun River No. 1
Good Condition26 years old130 vehicles/day
Location
| State | Alaska |
| County | North Slope |
| Location | Mile Point 253.7 |
| Carries | Dalton Highway |
| Crosses | Atigun River No. 1 |
| Coordinates | 68.21484, -149.40902 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 223.1 ft (68 m) |
| Max Span | 109.9 ft (33.5 m) |
| Deck Width | 34.4 ft (10.5 m) |
| Deck Area | 714 sq m |
| Main Spans | 2 |
| Year Built | 2000 |
Traffic
| Avg Daily Traffic | 130 (2020) |
| Truck Traffic | 75% |
| 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 | 1439 |