IRR BIA RTE 33 over Main Canal
FairBingham County, Idaho · 10 KM South of Blackfoot · Structure no. 00000000000P422
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected June 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 92 ft
- 1 main span
- Daily traffic
- 80
- 2023 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 33 over Main Canal is a prestressed concrete tee beam carrying IRR BIA RTE 33 over Main Canal in Bingham County, Idaho. It was built in 1972, so it is 53 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 80 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2043. The structure is 92 ft (28.1 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR BIA RTE 33 over Main Canal built?
It was built in 1972, making it 53 years old in 2025.
What condition is IRR BIA RTE 33 over Main 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 June 2023.
How much traffic does IRR BIA RTE 33 over Main Canal carry?
About 80 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is IRR BIA RTE 33 over Main Canal?
The structure is 92 ft (28.1 m) long with a longest span of 89 ft (27.1 m) and a deck 33 ft wide.
Who owns IRR BIA RTE 33 over Main Canal?
It is owned by the Bureau of Indian Affairs.