IRR BIA RTE 1 over Main Canal South
GoodLa Paz County, Arizona · 1.6 KM NE of BIA RTE 1/24 · Structure no. 00000000000H006
- Built
- 1962
- 63 years old
- Condition
- Good
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Concrete
- Length
- 43 ft
- 2 main spans
- Daily traffic
- 2,800
- 2024 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 1 over Main Canal South is a concrete stringer/multi-beam or girder carrying IRR BIA RTE 1 over Main Canal South in La Paz County, Arizona. It was built in 1962, so it is 63 years old, older than the Arizona average of 47.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 2,800 vehicles a day, roughly 15% of them trucks, projected to reach 3,400 by 2044. The structure is 43 ft (13 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 IRR BIA RTE 1 over Main Canal South built?
It was built in 1962, making it 63 years old in 2025.
What condition is IRR BIA RTE 1 over Main Canal South in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.
How much traffic does IRR BIA RTE 1 over Main Canal South carry?
About 2,800 vehicles per day (2024 count), of which roughly 15% are trucks.
How long is IRR BIA RTE 1 over Main Canal South?
The structure is 43 ft (13 m) long with a longest span of 21 ft (6.3 m) and a deck 33 ft wide.
Who owns IRR BIA RTE 1 over Main Canal South?
It is owned by the Bureau of Indian Affairs.