Parks Highway over Nenana River at Windy
FairDenali Borough, Alaska · Mile Point 180.2 · Structure no. 1243
- Built
- 1974
- 51 years old, rebuilt 2006
- Condition
- Fair
- inspected July 2024
- Type
- Box Beam or Girders - Multiple
- Steel Continuous
- Length
- 389 ft
- 2 main spans
- Daily traffic
- 1,090
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Parks Highway over Nenana River at Windy is a steel continuous box beam or girders - multiple carrying Parks Highway over Nenana River at Windy in Denali Borough, Alaska. It was built in 1974 and reconstructed in 2006, so it is 51 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 5 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 1,090 vehicles a day, roughly 26% of them trucks, projected to reach 1,460 by 2039. The structure is 389 ft (118.7 m) long and 35 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 | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Parks Highway over Nenana River at Windy built?
It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2006.
What condition is Parks Highway over Nenana River at Windy 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 2024.
How much traffic does Parks Highway over Nenana River at Windy carry?
About 1,090 vehicles per day (2020 count), of which roughly 26% are trucks.
How long is Parks Highway over Nenana River at Windy?
The structure is 389 ft (118.7 m) long with a longest span of 191 ft (58.2 m) and a deck 35 ft wide.
Who owns Parks Highway over Nenana River at Windy?
It is owned by the State Highway Agency.