Custer Motorway over Yankee Fork
FairCuster County, Idaho · No Data Entered · Structure no. 040603000001110
- Built
- 1962
- 63 years old, rebuilt 1999
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 31 ft
- 1 main span
- Daily traffic
- 100
- 1994 count
- Owner
- Federal
- U.S. Forest Service
About this bridge
Custer Motorway over Yankee Fork is a wood or timber stringer/multi-beam or girder carrying Custer Motorway over Yankee Fork in Custer County, Idaho. It was built in 1962 and reconstructed in 1999, so it is 63 years old, older than the Idaho average of 45.3 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 150 by 2014. The structure is 31 ft (9.3 m) long and 16 ft wide. If it were closed, the detour would be 94.4 mi (152 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 |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Custer Motorway over Yankee Fork built?
It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1999.
What condition is Custer Motorway over Yankee Fork 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 September 2024.
How much traffic does Custer Motorway over Yankee Fork carry?
About 100 vehicles per day (1994 count), of which roughly 10% are trucks.
How long is Custer Motorway over Yankee Fork?
The structure is 31 ft (9.3 m) long with a longest span of 29 ft (8.8 m) and a deck 16 ft wide.
Who owns Custer Motorway over Yankee Fork?
It is owned by the U.S. Forest Service.