SH 34 over Little Blackfoot River
FairCaribou County, Idaho · 19.4 N. Soda Springs · Structure no. 000000000014045
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected October 2024
- Type
- Frame
- Concrete
- Length
- 31 ft
- 1 main span
- Daily traffic
- 770
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SH 34 over Little Blackfoot River is a concrete frame carrying SH 34 over Little Blackfoot River in Caribou County, Idaho. It was built in 1979, so it is 46 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 770 vehicles a day, roughly 26% of them trucks, projected to reach 1,155 by 2042. The structure is 31 ft (9.4 m) long and 40 ft wide. If it were closed, the detour would be 93.2 mi (150 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 SH 34 over Little Blackfoot River built?
It was built in 1979, making it 46 years old in 2025.
What condition is SH 34 over Little Blackfoot 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 October 2024.
How much traffic does SH 34 over Little Blackfoot River carry?
About 770 vehicles per day (2023 count), of which roughly 26% are trucks.
How long is SH 34 over Little Blackfoot River?
The structure is 31 ft (9.4 m) long with a longest span of 31 ft (9.4 m) and a deck 40 ft wide.
Who owns SH 34 over Little Blackfoot River?
It is owned by the State Highway Agency.