SR 77 over Wash
GoodPinal County, Arizona · 18.3 MI S JCT SR 177 · Structure no. 04377
- Built
- 1961
- 64 years old
- Condition
- Good
- inspected January 2025
- Type
- Culvert
- Concrete Continuous
- Length
- 43 ft
- 4 main spans
- Daily traffic
- 3,527
- 2024 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 1961, so it is 64 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 3,527 vehicles a day, roughly 12% of them trucks, projected to reach 3,537 by 2042. The structure is 43 ft (13.1 m) long and 54 ft wide. 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 1961, making it 64 years old in 2025.
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 3,527 vehicles per day (2024 count), of which roughly 12% are trucks.
How long is SR 77 over Wash?
The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m) and a deck 54 ft wide.
Who owns SR 77 over Wash?
It is owned by the State Highway Agency.