Parks Highway over Montana Overhead
GoodMatanuska-Susitna Borough, Alaska · Mile Point 56.2 · Structure no. 2311
- Built
- 2016
- 9 years old
- Condition
- Good
- inspected June 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 145 ft
- 1 main span
- Daily traffic
- 2,650
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Parks Highway over Montana Overhead is a prestressed concrete tee beam carrying Parks Highway over Montana Overhead 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 2,650 vehicles a day, roughly 17% of them trucks, projected to reach 3,100 by 2039. The structure is 145 ft (44.2 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 | 9 Excellent | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Parks Highway over Montana Overhead built?
It was built in 2016, making it 9 years old in 2025.
What condition is Parks Highway over Montana 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 Montana Overhead carry?
About 2,650 vehicles per day (2020 count), of which roughly 17% are trucks.
How long is Parks Highway over Montana Overhead?
The structure is 145 ft (44.2 m) long with a longest span of 142 ft (43.3 m) and a deck 43 ft wide.
Who owns Parks Highway over Montana Overhead?
It is owned by the State Highway Agency.