Swiftwater Road over Swiftwater Creek
FairMatanuska-Susitna Borough, Alaska · Mile Point 1.5 · Structure no. 2138
- Built
- 2004
- 21 years old
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 47 ft
- 1 main span
- Daily traffic
- 10
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
Swiftwater Road over Swiftwater Creek is a steel stringer/multi-beam or girder carrying Swiftwater Road over Swiftwater Creek in Matanuska-Susitna Borough, Alaska. It was built in 2004, so it is 21 years old, younger 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 13 by 2035. The structure is 47 ft (14.3 m) long and 28 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Swiftwater Road over Swiftwater Creek built?
It was built in 2004, making it 21 years old in 2025.
What condition is Swiftwater Road over Swiftwater 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 Swiftwater Road over Swiftwater Creek carry?
About 10 vehicles per day (2018 count), of which roughly 1% are trucks.
How long is Swiftwater Road over Swiftwater Creek?
The structure is 47 ft (14.3 m) long with a longest span of 46 ft (14.1 m) and a deck 28 ft wide.
Who owns Swiftwater Road over Swiftwater Creek?
It is owned by the County Highway Agency.