SR 77 over Wash
GoodPinal County, Arizona · 0.9 MI E JCT SR 79 · Structure no. 06830
- Built
- 1941
- 84 years old, rebuilt 1973
- Condition
- Good
- inspected January 2025
- Type
- Culvert
- Concrete Continuous
- Length
- 42 ft
- 4 main spans
- Daily traffic
- 11,653
- 2025 count
- Owner
- State
- State Highway Agency
About this bridge
SR 77 over Wash is a concrete continuous culvert carrying SR 77 over Wash in Pinal County, Arizona. It was built in 1941 and reconstructed in 1973, so it is 84 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 11,653 vehicles a day, roughly 10% of them trucks, projected to reach 11,663 by 2042. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 24.2 mi (39 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 77 over Wash built?
It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1973.
What condition is SR 77 over 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 January 2025.
How much traffic does SR 77 over Wash carry?
About 11,653 vehicles per day (2025 count), of which roughly 10% are trucks.
How long is SR 77 over Wash?
The structure is 42 ft (12.8 m) long with a longest span of 10 ft (3 m).
Who owns SR 77 over Wash?
It is owned by the State Highway Agency.