IRR BIA RTE N7 over Black Creek
FairApache County, Arizona · 1 MI NE Fort Defiance Az · Structure no. 00000000000N653
- Built
- 1977
- 48 years old
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 208 ft
- 3 main spans
- Daily traffic
- 1,918
- 2023 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE N7 over Black Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying IRR BIA RTE N7 over Black Creek in Apache County, Arizona. It was built in 1977, so it is 48 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 6 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 1,918 vehicles a day, roughly 15% of them trucks, projected to reach 2,925 by 2040. The structure is 208 ft (63.4 m) long and 41 ft wide. If it were closed, the detour would be 2.5 mi (4 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 N7 over Black Creek built?
It was built in 1977, making it 48 years old in 2025.
What condition is IRR BIA RTE N7 over Black Creek 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 March 2023.
How much traffic does IRR BIA RTE N7 over Black Creek carry?
About 1,918 vehicles per day (2023 count), of which roughly 15% are trucks.
How long is IRR BIA RTE N7 over Black Creek?
The structure is 208 ft (63.4 m) long with a longest span of 70 ft (21.4 m) and a deck 41 ft wide.
Who owns IRR BIA RTE N7 over Black Creek?
It is owned by the Bureau of Indian Affairs.