Fdr 255 over NF Clearwater River
GoodClearwater County, Idaho · Kelly Forks Bridge · Structure no. 010503000000098
- Built
- 1968
- 57 years old
- Condition
- Good
- inspected October 2022
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 173 ft
- 1 main span
- Daily traffic
- 80
- Owner
- Federal
- U.S. Forest Service
About this bridge
Fdr 255 over NF Clearwater River is a prestressed concrete stringer/multi-beam or girder carrying Fdr 255 over NF Clearwater River in Clearwater County, Idaho. It was built in 1968, so it is 57 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 80 vehicles a day, projected to reach 120 by 2045. The structure is 173 ft (52.7 m) long and 30 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 | 8 Very Good | No problems noted. |
| 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 Fdr 255 over NF Clearwater River built?
It was built in 1968, making it 57 years old in 2025.
What condition is Fdr 255 over NF Clearwater River 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 2022.
How much traffic does Fdr 255 over NF Clearwater River carry?
About 80 vehicles per day (latest count).
How long is Fdr 255 over NF Clearwater River?
The structure is 173 ft (52.7 m) long with a longest span of 70 ft (21.3 m) and a deck 30 ft wide.
Who owns Fdr 255 over NF Clearwater River?
It is owned by the U.S. Forest Service.