IRR I 10 WB over Wash
FairPinal County, Arizona · 1.7 MI NW JCT SR 93 South · Structure no. 05437
- Built
- 1964
- 61 years old, rebuilt 1974
- Condition
- Fair
- inspected February 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 50 ft
- 4 main spans
- Daily traffic
- 30,207
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
IRR I 10 WB over Wash is a concrete continuous culvert carrying IRR I 10 WB over Wash in Pinal County, Arizona. It was built in 1964 and reconstructed in 1974, so it is 61 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 30,207 vehicles a day, roughly 19% of them trucks, projected to reach 30,217 by 2037. The structure is 50 ft (15.2 m) long. If it were closed, the detour would be 98.8 mi (159 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 IRR I 10 WB over Wash built?
It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1974.
What condition is IRR I 10 WB 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 February 2023.
How much traffic does IRR I 10 WB over Wash carry?
About 30,207 vehicles per day (2017 count), of which roughly 19% are trucks.
How long is IRR I 10 WB over Wash?
The structure is 50 ft (15.2 m) long with a longest span of 10 ft (3 m).
Who owns IRR I 10 WB over Wash?
It is owned by the State Highway Agency.