Barber Flat Road over North Fork Boise River
FairPosted for loadElmore County, Idaho · 25 MI East of Id City · Structure no. 040203000001190
- Built
- 1959
- 66 years old
- Condition
- Fair
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 145 ft
- 3 main spans
- Daily traffic
- 15
- 1991 count
- Owner
- Federal
- U.S. Forest Service
About this bridge
Barber Flat Road over North Fork Boise River is a steel continuous stringer/multi-beam or girder carrying Barber Flat Road over North Fork Boise River in Elmore County, Idaho. It was built in 1959, so it is 66 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 15 vehicles a day, projected to reach 22 by 2045. The structure is 145 ft (44.2 m) long and 15 ft wide. If it were closed, the detour would be 36.7 mi (59 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Barber Flat Road over North Fork Boise River built?
It was built in 1959, making it 66 years old in 2025.
What condition is Barber Flat Road over North Fork Boise River 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 2023.
How much traffic does Barber Flat Road over North Fork Boise River carry?
About 15 vehicles per day (1991 count).
How long is Barber Flat Road over North Fork Boise River?
The structure is 145 ft (44.2 m) long with a longest span of 55 ft (16.8 m) and a deck 15 ft wide.
Who owns Barber Flat Road over North Fork Boise River?
It is owned by the U.S. Forest Service.