STC3756;DEER Flat over High Line Canal
FairCanyon County, Idaho · 5.2 S. 2.3 W. Nampa · Structure no. 000000000027446
- Built
- 1991
- 34 years old
- Condition
- Fair
- inspected March 2024
- Type
- Frame
- Concrete
- Length
- 52 ft
- 1 main span
- Daily traffic
- 940
- 2023 count
- Owner
- Local
- Other Local Agency
About this bridge
STC3756;DEER Flat over High Line Canal is a concrete frame carrying STC3756;DEER Flat over High Line Canal in Canyon County, Idaho. It was built in 1991, so it is 34 years old, younger 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 940 vehicles a day, roughly 1% of them trucks, projected to reach 1,410 by 2042. The structure is 52 ft (15.9 m) long and 76 ft wide. If it were closed, the detour would be 1.2 mi (2 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 STC3756;DEER Flat over High Line Canal built?
It was built in 1991, making it 34 years old in 2025.
What condition is STC3756;DEER Flat 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 March 2024.
How much traffic does STC3756;DEER Flat over High Line Canal carry?
About 940 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is STC3756;DEER Flat over High Line Canal?
The structure is 52 ft (15.9 m) long with a longest span of 52 ft (15.9 m) and a deck 76 ft wide.
Who owns STC3756;DEER Flat over High Line Canal?
It is owned by the Other Local Agency.