IRR BIA RTE N6731 over Moenkopi Wash
PoorPosted for loadCoconino County, Arizona · 4.3 MI West of Moenkopi · Structure no. 00000000000N307
- Built
- 1915
- 110 years old, rebuilt 1998
- Condition
- Poor
- inspected March 2023
- Type
- Truss - Thru
- Steel
- Length
- 72 ft
- 1 main span
- Daily traffic
- 50
- 2023 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE N6731 over Moenkopi Wash is a steel truss - thru carrying IRR BIA RTE N6731 over Moenkopi Wash in Coconino County, Arizona. It was built in 1915 and reconstructed in 1998, so it is 110 years old, older than the Arizona average of 47.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 50 vehicles a day, roughly 1% of them trucks, projected to reach 60 by 2043. The structure is 72 ft (22 m) long and 16 ft wide. If it were closed, the detour would be 19.9 mi (32 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR BIA RTE N6731 over Moenkopi Wash built?
It was built in 1915, making it 110 years old in 2025. It was reconstructed in 1998.
What condition is IRR BIA RTE N6731 over Moenkopi Wash in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.
How much traffic does IRR BIA RTE N6731 over Moenkopi Wash carry?
About 50 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is IRR BIA RTE N6731 over Moenkopi Wash?
The structure is 72 ft (22 m) long with a longest span of 69 ft (21.1 m) and a deck 16 ft wide.
Who owns IRR BIA RTE N6731 over Moenkopi Wash?
It is owned by the Bureau of Indian Affairs.