Parks Highway over Summit Overhead
GoodDenali Borough, Alaska · Mile Point 168.8 · Structure no. 2084
- Built
- 2006
- 19 years old
- Condition
- Good
- inspected June 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 146 ft
- 1 main span
- Daily traffic
- 900
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Parks Highway over Summit Overhead is a prestressed concrete tee beam carrying Parks Highway over Summit Overhead in Denali Borough, Alaska. It was built in 2006, so it is 19 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 900 vehicles a day, roughly 37% of them trucks, projected to reach 1,130 by 2039. The structure is 146 ft (44.4 m) long and 43 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Parks Highway over Summit Overhead built?
It was built in 2006, making it 19 years old in 2025.
What condition is Parks Highway over Summit Overhead 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 June 2024.
How much traffic does Parks Highway over Summit Overhead carry?
About 900 vehicles per day (2020 count), of which roughly 37% are trucks.
How long is Parks Highway over Summit Overhead?
The structure is 146 ft (44.4 m) long with a longest span of 137 ft (41.8 m) and a deck 43 ft wide.
Who owns Parks Highway over Summit Overhead?
It is owned by the State Highway Agency.