Parks Highway over Chulitna River
FairMatanuska-Susitna Borough, Alaska · Mile Point 98.3 · Structure no. 0255
- Built
- 1970
- 55 years old, rebuilt 1993
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 790 ft
- 5 main spans
- Daily traffic
- 1,120
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Parks Highway over Chulitna River is a steel continuous stringer/multi-beam or girder carrying Parks Highway over Chulitna River in Matanuska-Susitna Borough, Alaska. It was built in 1970 and reconstructed in 1993, so it is 55 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 1,120 vehicles a day, roughly 19% of them trucks, projected to reach 1,390 by 2039. The structure is 790 ft (240.8 m) long and 42 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Parks Highway over Chulitna River built?
It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1993.
What condition is Parks Highway over Chulitna 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 June 2024.
How much traffic does Parks Highway over Chulitna River carry?
About 1,120 vehicles per day (2020 count), of which roughly 19% are trucks.
How long is Parks Highway over Chulitna River?
The structure is 790 ft (240.8 m) long with a longest span of 220 ft (67.1 m) and a deck 42 ft wide.
Who owns Parks Highway over Chulitna River?
It is owned by the State Highway Agency.