Egan Drive over Salmon Creek Powerhouse
FairJuneau City and Borough, Alaska · Mile Point 3.0 · Structure no. 4005
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected June 2023
- Type
- Culvert
- Concrete
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 16,900
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Egan Drive over Salmon Creek Powerhouse is a concrete culvert carrying Egan Drive over Salmon Creek Powerhouse in Juneau City and 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 16,900 vehicles a day, roughly 5% of them trucks, projected to reach 23,500 by 2039. The structure is 21 ft (6.4 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 | 9 Excellent | 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 Egan Drive over Salmon Creek Powerhouse built?
It was built in 1973, making it 52 years old in 2025.
What condition is Egan Drive over Salmon Creek Powerhouse 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 2023.
How much traffic does Egan Drive over Salmon Creek Powerhouse carry?
About 16,900 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is Egan Drive over Salmon Creek Powerhouse?
The structure is 21 ft (6.4 m) long with a longest span of 9 ft (2.7 m).
Who owns Egan Drive over Salmon Creek Powerhouse?
It is owned by the State Highway Agency.