IRR BIA RTE N15 over Yellow Butte Wash
GoodNavajo County, Arizona · 1 MI West of Dilkon Az · Structure no. 00000000000N680
- Built
- 1986
- 39 years old
- Condition
- Good
- inspected March 2023
- Type
- Culvert
- Steel
- Length
- 36 ft
- 3 main spans
- Daily traffic
- 1,292
- 2023 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE N15 over Yellow Butte Wash is a steel culvert carrying IRR BIA RTE N15 over Yellow Butte Wash in Navajo County, Arizona. It was built in 1986, so it is 39 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 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 1,292 vehicles a day, roughly 10% of them trucks, projected to reach 1,512 by 2043. The structure is 36 ft (10.9 m) long and 89 ft wide. If it were closed, the detour would be 3.1 mi (5 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR BIA RTE N15 over Yellow Butte Wash built?
It was built in 1986, making it 39 years old in 2025.
What condition is IRR BIA RTE N15 over Yellow Butte 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 March 2023.
How much traffic does IRR BIA RTE N15 over Yellow Butte Wash carry?
About 1,292 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is IRR BIA RTE N15 over Yellow Butte Wash?
The structure is 36 ft (10.9 m) long with a longest span of 9 ft (2.8 m) and a deck 89 ft wide.
Who owns IRR BIA RTE N15 over Yellow Butte Wash?
It is owned by the Bureau of Indian Affairs.