Old State 87A over Gila Riv Diversion Canal
FairPosted for loadPinal County, Arizona · 3.4 KM N of Az 87/187 JCT · Structure no. 00000000000H151
- Built
- 1925
- 100 years old
- Condition
- Fair
- inspected January 2023
- Type
- Stringer/Multi-beam or Girder
- Concrete
- Length
- 103 ft
- 3 main spans
- Daily traffic
- 200
- 2023 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
Old State 87A over Gila Riv Diversion Canal is a concrete stringer/multi-beam or girder carrying Old State 87A over Gila Riv Diversion Canal in Pinal County, Arizona. It was built in 1925, so it is 100 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for other load-capacity restriction.
It carries about 200 vehicles a day, roughly 2% of them trucks, projected to reach 260 by 2043. The structure is 103 ft (31.4 m) long and 22 ft wide. If it were closed, the detour would be 8.1 mi (13 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 |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old State 87A over Gila Riv Diversion Canal built?
It was built in 1925, making it 100 years old in 2025.
What condition is Old State 87A over Gila Riv Diversion Canal 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 January 2023.
How much traffic does Old State 87A over Gila Riv Diversion Canal carry?
About 200 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is Old State 87A over Gila Riv Diversion Canal?
The structure is 103 ft (31.4 m) long with a longest span of 39 ft (12 m) and a deck 22 ft wide.
Who owns Old State 87A over Gila Riv Diversion Canal?
It is owned by the Bureau of Indian Affairs.