Denali Park Road over Sanctuary River
FairYukon-Koyukuk Census Area, Alaska · 22.96 Miles West of Ak Ro · Structure no. 9830007P0000000
- Built
- 1956
- 69 years old
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 199 ft
- 3 main spans
- Daily traffic
- 1,300
- 2013 count
- Owner
- Federal
- National Park Service
About this bridge
Denali Park Road over Sanctuary River is a steel stringer/multi-beam or girder carrying Denali Park Road over Sanctuary River in Yukon-Koyukuk Census Area, Alaska. It was built in 1956, so it is 69 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 1,300 vehicles a day, roughly 1% of them trucks, projected to reach 1,560 by 2033. The structure is 199 ft (60.7 m) long and 29 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Denali Park Road over Sanctuary River built?
It was built in 1956, making it 69 years old in 2025.
What condition is Denali Park Road over Sanctuary 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 August 2023.
How much traffic does Denali Park Road over Sanctuary River carry?
About 1,300 vehicles per day (2013 count), of which roughly 1% are trucks.
How long is Denali Park Road over Sanctuary River?
The structure is 199 ft (60.7 m) long with a longest span of 65 ft (19.8 m) and a deck 29 ft wide.
Who owns Denali Park Road over Sanctuary River?
It is owned by the National Park Service.