Denali Highway over Gulkana River
FairCounty 066, Alaska · Mile Point 0.2 · Structure no. 0681
- Built
- 1951
- 74 years old
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 81 ft
- 1 main span
- Daily traffic
- 80
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Denali Highway over Gulkana River is a steel stringer/multi-beam or girder carrying Denali Highway over Gulkana River in County 066, Alaska. It was built in 1951, so it is 74 years old, older than the Alaska average of 35.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 80 vehicles a day, roughly 19% of them trucks, projected to reach 90 by 2039. The structure is 81 ft (24.8 m) long and 21 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Denali Highway over Gulkana River built?
It was built in 1951, making it 74 years old in 2025.
What condition is Denali Highway over Gulkana River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.
How much traffic does Denali Highway over Gulkana River carry?
About 80 vehicles per day (2020 count), of which roughly 19% are trucks.
How long is Denali Highway over Gulkana River?
The structure is 81 ft (24.8 m) long with a longest span of 79 ft (24.2 m) and a deck 21 ft wide.
Who owns Denali Highway over Gulkana River?
It is owned by the State Highway Agency.