N Sushana ST over Little Susitna River
FairMatanuska-Susitna Borough, Alaska · Wasilla · Structure no. 1698
- Built
- 1984
- 41 years old
- Condition
- Fair
- inspected June 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 185 ft
- 2 main spans
- Daily traffic
- 10
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
N Sushana ST over Little Susitna River is a prestressed concrete tee beam carrying N Sushana ST over Little Susitna River in Matanuska-Susitna Borough, Alaska. It was built in 1984, so it is 41 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 10 vehicles a day, roughly 1% of them trucks, projected to reach 12 by 2035. The structure is 185 ft (56.4 m) long and 31 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N Sushana ST over Little Susitna River built?
It was built in 1984, making it 41 years old in 2025.
What condition is N Sushana ST over Little Susitna 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 N Sushana ST over Little Susitna River carry?
About 10 vehicles per day (2018 count), of which roughly 1% are trucks.
How long is N Sushana ST over Little Susitna River?
The structure is 185 ft (56.4 m) long with a longest span of 91 ft (27.7 m) and a deck 31 ft wide.
Who owns N Sushana ST over Little Susitna River?
It is owned by the County Highway Agency.