Big Lake Road over Fish Creek
FairMatanuska-Susitna Borough, Alaska · Mile Point 5.0 · Structure no. 0360
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected June 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 38 ft
- 1 main span
- Daily traffic
- 1,610
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Big Lake Road over Fish Creek is a prestressed concrete tee beam carrying Big Lake Road over Fish Creek in Matanuska-Susitna Borough, Alaska. It was built in 1973, so it is 52 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 1,610 vehicles a day, roughly 8% of them trucks, projected to reach 1,880 by 2039. The structure is 38 ft (11.5 m) long and 36 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 | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| 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 Big Lake Road over Fish Creek built?
It was built in 1973, making it 52 years old in 2025.
What condition is Big Lake Road over Fish 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 Big Lake Road over Fish Creek carry?
About 1,610 vehicles per day (2020 count), of which roughly 8% are trucks.
How long is Big Lake Road over Fish Creek?
The structure is 38 ft (11.5 m) long with a longest span of 36 ft (11 m) and a deck 36 ft wide.
Who owns Big Lake Road over Fish Creek?
It is owned by the State Highway Agency.