SH 33 over Teton Island Canal
FairMadison County, Idaho · 2.0 N. Rexburg · Structure no. 000000000013900
- Built
- 1939
- 86 years old
- Condition
- Fair
- inspected March 2024
- Type
- Frame
- Concrete
- Length
- 23 ft
- 1 main span
- Daily traffic
- 4,100
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SH 33 over Teton Island Canal is a concrete frame carrying SH 33 over Teton Island Canal in Madison County, Idaho. It was built in 1939, so it is 86 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 4,100 vehicles a day, roughly 4% of them trucks, projected to reach 6,150 by 2042. The structure is 23 ft (7 m) long and 34 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 SH 33 over Teton Island Canal built?
It was built in 1939, making it 86 years old in 2025.
What condition is SH 33 over Teton Island 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 SH 33 over Teton Island Canal carry?
About 4,100 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is SH 33 over Teton Island Canal?
The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 34 ft wide.
Who owns SH 33 over Teton Island Canal?
It is owned by the State Highway Agency.