STC6724;65th South over Great Western Canal
FairPosted for loadBonneville County, Idaho · 3.6 S. 5.7 W.Idaho Falls · Structure no. 000000000020840
- Built
- 1951
- 74 years old
- Condition
- Fair
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 37 ft
- 1 main span
- Daily traffic
- 110
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
STC6724;65th South over Great Western Canal is a prestressed concrete box beam or girders - multiple carrying STC6724;65th South over Great Western Canal in Bonneville County, Idaho. It was built in 1951, so it is 74 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 110 vehicles a day, roughly 22% of them trucks, projected to reach 165 by 2042. The structure is 37 ft (11.3 m) long and 27 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 STC6724;65th South over Great Western Canal built?
It was built in 1951, making it 74 years old in 2025.
What condition is STC6724;65th South over Great Western 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 STC6724;65th South over Great Western Canal carry?
About 110 vehicles per day (2023 count), of which roughly 22% are trucks.
How long is STC6724;65th South over Great Western Canal?
The structure is 37 ft (11.3 m) long with a longest span of 35 ft (10.7 m) and a deck 27 ft wide.
Who owns STC6724;65th South over Great Western Canal?
It is owned by the County Highway Agency.