Denali Highway over Clearwater Creek
FairPosted for loadMatanuska-Susitna Borough, Alaska · Mile Point 55.9 · Structure no. 0686
- Built
- 1957
- 68 years old
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 157 ft
- 3 main spans
- Daily traffic
- 50
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Denali Highway over Clearwater Creek is a steel stringer/multi-beam or girder carrying Denali Highway over Clearwater Creek in Matanuska-Susitna Borough, Alaska. It was built in 1957, so it is 68 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. Its operating status is: posted for other load-capacity restriction.
It carries about 50 vehicles a day, roughly 21% of them trucks, projected to reach 60 by 2039. The structure is 157 ft (47.8 m) long and 23 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Denali Highway over Clearwater Creek built?
It was built in 1957, making it 68 years old in 2025.
What condition is Denali Highway over Clearwater Creek 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 Clearwater Creek carry?
About 50 vehicles per day (2020 count), of which roughly 21% are trucks.
How long is Denali Highway over Clearwater Creek?
The structure is 157 ft (47.8 m) long with a longest span of 52 ft (15.7 m) and a deck 23 ft wide.
Who owns Denali Highway over Clearwater Creek?
It is owned by the State Highway Agency.