Main over Wash
FairNavajo County, Arizona · 1.2 MI W JCT SR 87 · Structure no. 10974
- Built
- 1939
- 86 years old, rebuilt 1978
- Condition
- Fair
- inspected June 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 7,400
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Main over Wash is a concrete continuous culvert carrying Main over Wash in Navajo County, Arizona. It was built in 1939 and reconstructed in 1978, so it is 86 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 7,400 vehicles a day, roughly 7% of them trucks, projected to reach 7,410 by 2042. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Main over Wash built?
It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1978.
What condition is Main over Wash 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 June 2024.
How much traffic does Main over Wash carry?
About 7,400 vehicles per day (2022 count), of which roughly 7% are trucks.
How long is Main over Wash?
The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).
Who owns Main over Wash?
It is owned by the City or Municipal Highway Agency.