Fs Route 489 over Lightning Creek
GoodBonner County, Idaho · 13 MI from Clark Fork Id · Structure no. 010406000000132
- Built
- 1954
- 71 years old
- Condition
- Good
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 70 ft
- 1 main span
- Daily traffic
- 50
- Owner
- Federal
- U.S. Forest Service
About this bridge
Fs Route 489 over Lightning Creek is a steel stringer/multi-beam or girder carrying Fs Route 489 over Lightning Creek in Bonner County, Idaho. It was built in 1954, so it is 71 years old, older than the Idaho average of 45.3 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 70 ft (21.3 m) long and 16 ft wide. If it were closed, the detour would be 620.7 mi (999 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Fs Route 489 over Lightning Creek built?
It was built in 1954, making it 71 years old in 2025.
What condition is Fs Route 489 over Lightning Creek 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 October 2023.
How much traffic does Fs Route 489 over Lightning Creek carry?
About 50 vehicles per day (latest count).
How long is Fs Route 489 over Lightning Creek?
The structure is 70 ft (21.3 m) long with a longest span of 69 ft (21 m) and a deck 16 ft wide.
Who owns Fs Route 489 over Lightning Creek?
It is owned by the U.S. Forest Service.