Parks Highway over Little Susitna River
GoodMatanuska-Susitna Borough, Alaska · Mile Point 21.8 · Structure no. 0240
- Built
- 2004
- 21 years old
- Condition
- Good
- inspected June 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 251 ft
- 2 main spans
- Daily traffic
- 4,700
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Parks Highway over Little Susitna River is a prestressed concrete tee beam carrying Parks Highway over Little Susitna River in Matanuska-Susitna Borough, Alaska. It was built in 2004, so it is 21 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 4,700 vehicles a day, roughly 16% of them trucks, projected to reach 7,090 by 2039. The structure is 251 ft (76.5 m) long and 55 ft wide. If it were closed, the detour would be 72.7 mi (117 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 | 8 Very Good | No problems noted. |
| 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 Little Susitna River built?
It was built in 2004, making it 21 years old in 2025.
What condition is Parks Highway over Little Susitna River 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 Little Susitna River carry?
About 4,700 vehicles per day (2020 count), of which roughly 16% are trucks.
How long is Parks Highway over Little Susitna River?
The structure is 251 ft (76.5 m) long with a longest span of 123 ft (37.5 m) and a deck 55 ft wide.
Who owns Parks Highway over Little Susitna River?
It is owned by the State Highway Agency.