IRR BIA RTE N27 over Lower Nazlini Wash
GoodApache County, Arizona · 11 MI South of Chinle · Structure no. 00000000000N520
- Built
- 1976
- 49 years old
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 106 ft
- 1 main span
- Daily traffic
- 584
- 2023 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE N27 over Lower Nazlini Wash is a steel stringer/multi-beam or girder carrying IRR BIA RTE N27 over Lower Nazlini Wash in Apache County, Arizona. It was built in 1976, so it is 49 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 584 vehicles a day, roughly 5% of them trucks, projected to reach 683 by 2040. The structure is 106 ft (32.3 m) long and 31 ft wide. If it were closed, the detour would be 42.9 mi (69 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 | 8 Very Good | No problems noted. |
| 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 N27 over Lower Nazlini Wash built?
It was built in 1976, making it 49 years old in 2025.
What condition is IRR BIA RTE N27 over Lower Nazlini 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 April 2023.
How much traffic does IRR BIA RTE N27 over Lower Nazlini Wash carry?
About 584 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is IRR BIA RTE N27 over Lower Nazlini Wash?
The structure is 106 ft (32.3 m) long with a longest span of 101 ft (30.9 m) and a deck 31 ft wide.
Who owns IRR BIA RTE N27 over Lower Nazlini Wash?
It is owned by the Bureau of Indian Affairs.