Dalton Highway over Atigun River No. 2
GoodNorth Slope Borough, Alaska · Mile Point 271.3 · Structure no. 1333
- Built
- 2000
- 25 years old
- Condition
- Good
- inspected July 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 335 ft
- 3 main spans
- Daily traffic
- 130
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Dalton Highway over Atigun River No. 2 is a prestressed concrete tee beam carrying Dalton Highway over Atigun River No. 2 in North Slope Borough, Alaska. It was built in 2000, so it is 25 years old, younger than the Alaska average of 35.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 130 vehicles a day, roughly 75% of them trucks, projected to reach 190 by 2039. The structure is 335 ft (102.1 m) long and 34 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Dalton Highway over Atigun River No. 2 built?
It was built in 2000, making it 25 years old in 2025.
What condition is Dalton Highway over Atigun River No. 2 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.
How much traffic does Dalton Highway over Atigun River No. 2 carry?
About 130 vehicles per day (2020 count), of which roughly 75% are trucks.
How long is Dalton Highway over Atigun River No. 2?
The structure is 335 ft (102.1 m) long with a longest span of 111 ft (33.8 m) and a deck 34 ft wide.
Who owns Dalton Highway over Atigun River No. 2?
It is owned by the State Highway Agency.