Kenai Spur over Swanson River
FairKenai Peninsula Borough, Alaska · Mile Point 38.4 · Structure no. 0214
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 211 ft
- 3 main spans
- Daily traffic
- 260
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Kenai Spur over Swanson River is a steel continuous stringer/multi-beam or girder carrying Kenai Spur over Swanson River in Kenai Peninsula Borough, Alaska. It was built in 1966, so it is 59 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 260 vehicles a day, roughly 14% of them trucks, projected to reach 300 by 2039. The structure is 211 ft (64.4 m) long and 33 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 | 7 Good | Some minor problems. |
| 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 Kenai Spur over Swanson River built?
It was built in 1966, making it 59 years old in 2025.
What condition is Kenai Spur over Swanson 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 August 2023.
How much traffic does Kenai Spur over Swanson River carry?
About 260 vehicles per day (2020 count), of which roughly 14% are trucks.
How long is Kenai Spur over Swanson River?
The structure is 211 ft (64.4 m) long with a longest span of 80 ft (24.4 m) and a deck 33 ft wide.
Who owns Kenai Spur over Swanson River?
It is owned by the State Highway Agency.