STC9443;JOHNS Lndg over Farmers Union Canal
FairAda County, Idaho · Johns Landing W/Collister · Structure no. 000000000026310
- Built
- 1977
- 48 years old
- Condition
- Fair
- inspected March 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 1,800
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
STC9443;JOHNS Lndg over Farmers Union Canal is a prestressed concrete tee beam carrying STC9443;JOHNS Lndg over Farmers Union Canal in Ada County, Idaho. It was built in 1977, so it is 48 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 1,800 vehicles a day, roughly 20% of them trucks, projected to reach 2,700 by 2042. The structure is 30 ft (9.1 m) long and 48 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 STC9443;JOHNS Lndg over Farmers Union Canal built?
It was built in 1977, making it 48 years old in 2025.
What condition is STC9443;JOHNS Lndg over Farmers Union 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 STC9443;JOHNS Lndg over Farmers Union Canal carry?
About 1,800 vehicles per day (2023 count), of which roughly 20% are trucks.
How long is STC9443;JOHNS Lndg over Farmers Union Canal?
The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 48 ft wide.
Who owns STC9443;JOHNS Lndg over Farmers Union Canal?
It is owned by the County Highway Agency.