3400 North RD over High Line Canal
FairTwin Falls County, Idaho · 7.4 S. 5.5 W. Buhl · Structure no. 000000000025455
- Built
- 1930
- 95 years old, rebuilt 1974
- Condition
- Fair
- inspected February 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 40
- 2023 count
- Owner
- Local
- Other Local Agency
About this bridge
3400 North RD over High Line Canal is a prestressed concrete tee beam carrying 3400 North RD over High Line Canal in Twin Falls County, Idaho. It was built in 1930 and reconstructed in 1974, so it is 95 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 40 vehicles a day, roughly 5% of them trucks, projected to reach 60 by 2039. The structure is 30 ft (9.1 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 3400 North RD over High Line Canal built?
It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1974.
What condition is 3400 North RD over High Line Canal 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 February 2023.
How much traffic does 3400 North RD over High Line Canal carry?
About 40 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is 3400 North RD over High Line Canal?
The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 28 ft wide.
Who owns 3400 North RD over High Line Canal?
It is owned by the Other Local Agency.