IRR BIA Route 1 over Tyson Wash
GoodLa Paz County, Arizona · 1.6KM S of BIA 1/56 Inter · Structure no. 0000H51603B0260
- Built
- 2022
- 3 years old
- Condition
- Good
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 600 ft
- 6 main spans
- Daily traffic
- 1,900
- 2024 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA Route 1 over Tyson Wash is a prestressed concrete stringer/multi-beam or girder carrying IRR BIA Route 1 over Tyson Wash in La Paz County, Arizona. It was built in 2022, so it is 3 years old, younger 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,900 vehicles a day, roughly 15% of them trucks, projected to reach 2,200 by 2044. The structure is 600 ft (182.9 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 9 Excellent | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR BIA Route 1 over Tyson Wash built?
It was built in 2022, making it 3 years old in 2025.
What condition is IRR BIA Route 1 over Tyson Wash 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 Route 1 over Tyson Wash carry?
About 1,900 vehicles per day (2024 count), of which roughly 15% are trucks.
How long is IRR BIA Route 1 over Tyson Wash?
The structure is 600 ft (182.9 m) long with a longest span of 98 ft (29.9 m) and a deck 43 ft wide.
Who owns IRR BIA Route 1 over Tyson Wash?
It is owned by the Bureau of Indian Affairs.