Denali Highway over Seattle Creek
GoodMatanuska-Susitna Borough, Alaska · Mile Point 111.4 · Structure no. 0690
- Built
- 2016
- 9 years old
- Condition
- Good
- inspected July 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 124 ft
- 1 main span
- Daily traffic
- 90
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Denali Highway over Seattle Creek is a prestressed concrete tee beam carrying Denali Highway over Seattle Creek in Matanuska-Susitna Borough, Alaska. It was built in 2016, so it is 9 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 90 vehicles a day, roughly 21% of them trucks, projected to reach 110 by 2039. The structure is 124 ft (37.8 m) long and 33 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 | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Denali Highway over Seattle Creek built?
It was built in 2016, making it 9 years old in 2025.
What condition is Denali Highway over Seattle Creek 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 2023.
How much traffic does Denali Highway over Seattle Creek carry?
About 90 vehicles per day (2020 count), of which roughly 21% are trucks.
How long is Denali Highway over Seattle Creek?
The structure is 124 ft (37.8 m) long with a longest span of 121 ft (36.9 m) and a deck 33 ft wide.
Who owns Denali Highway over Seattle Creek?
It is owned by the State Highway Agency.