Parks Highway over Trapper Creek
FairMatanuska-Susitna Borough, Alaska · Mile Point 80.3 · Structure no. 4120
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected June 2024
- Type
- Culvert
- Steel
- Length
- 38 ft
- 3 main spans
- Daily traffic
- 1,040
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Parks Highway over Trapper Creek is a steel culvert carrying Parks Highway over Trapper Creek in Matanuska-Susitna Borough, Alaska. It was built in 1967, so it is 58 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 1,040 vehicles a day, roughly 16% of them trucks, projected to reach 1,280 by 2039. The structure is 38 ft (11.6 m) long. 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Parks Highway over Trapper Creek built?
It was built in 1967, making it 58 years old in 2025.
What condition is Parks Highway over Trapper Creek 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 Trapper Creek carry?
About 1,040 vehicles per day (2020 count), of which roughly 16% are trucks.
How long is Parks Highway over Trapper Creek?
The structure is 38 ft (11.6 m) long with a longest span of 10 ft (3 m).
Who owns Parks Highway over Trapper Creek?
It is owned by the State Highway Agency.