Fs Route No. 311 over S.F. Granite CR
GoodPend Oreille County, Washington · South Fork Granite Creek · Structure no. 010408000000183
- Built
- 1952
- 73 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 32 ft
- 1 main span
- Daily traffic
- 40
- Owner
- Federal
- U.S. Forest Service
About this bridge
Fs Route No. 311 over S.F. Granite CR is a wood or timber stringer/multi-beam or girder carrying Fs Route No. 311 over S.F. Granite CR in Pend Oreille County, Washington. It was built in 1952, so it is 73 years old, older than the Washington average of 49.8 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 40 vehicles a day, projected to reach 60 by 2045. The structure is 32 ft (9.9 m) long and 15 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Fs Route No. 311 over S.F. Granite CR built?
It was built in 1952, making it 73 years old in 2025.
What condition is Fs Route No. 311 over S.F. Granite CR 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 July 2024.
How much traffic does Fs Route No. 311 over S.F. Granite CR carry?
About 40 vehicles per day (latest count).
How long is Fs Route No. 311 over S.F. Granite CR?
The structure is 32 ft (9.9 m) long with a longest span of 31 ft (9.4 m) and a deck 15 ft wide.
Who owns Fs Route No. 311 over S.F. Granite CR?
It is owned by the U.S. Forest Service.