8400000 over Perm
GoodKetchikan Gateway Borough, Alaska · Shoal Cove · Structure no. 100520000001135
- Built
- 1985
- 40 years old
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 71 ft
- 1 main span
- Daily traffic
- 5
- 2006 count
- Owner
- Federal
- U.S. Forest Service
About this bridge
8400000 over Perm is a wood or timber stringer/multi-beam or girder carrying 8400000 over Perm in Ketchikan Gateway Borough, Alaska. It was built in 1985, so it is 40 years old, older than the Alaska average of 35.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 5 vehicles a day, projected to reach 10 by 2013. The structure is 71 ft (21.6 m) long and 17 ft wide. If it were closed, the detour would be 98.2 mi (158 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 8400000 over Perm built?
It was built in 1985, making it 40 years old in 2025.
What condition is 8400000 over Perm in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.
How much traffic does 8400000 over Perm carry?
About 5 vehicles per day (2006 count).
How long is 8400000 over Perm?
The structure is 71 ft (21.6 m) long with a longest span of 66 ft (20.1 m) and a deck 17 ft wide.
Who owns 8400000 over Perm?
It is owned by the U.S. Forest Service.