IRR BIA Route 46 over North Fork White River
FairNavajo County, Arizona · 0.5 KM W of Fort Apache · Structure no. 00000000000H066
- Built
- 1962
- 63 years old
- Condition
- Fair
- inspected February 2024
- Type
- Frame
- Concrete Continuous
- Length
- 140 ft
- 3 main spans
- Daily traffic
- 1,000
- 2021 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA Route 46 over North Fork White River is a concrete continuous frame carrying IRR BIA Route 46 over North Fork White River in Navajo 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 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.
It carries about 1,000 vehicles a day, roughly 5% of them trucks, projected to reach 1,170 by 2039. The structure is 140 ft (42.7 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Route 46 over North Fork White River built?
It was built in 1962, making it 63 years old in 2025.
What condition is IRR BIA Route 46 over North Fork White River 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 February 2024.
How much traffic does IRR BIA Route 46 over North Fork White River carry?
About 1,000 vehicles per day (2021 count), of which roughly 5% are trucks.
How long is IRR BIA Route 46 over North Fork White River?
The structure is 140 ft (42.7 m) long with a longest span of 90 ft (27.5 m) and a deck 32 ft wide.
Who owns IRR BIA Route 46 over North Fork White River?
It is owned by the Bureau of Indian Affairs.