Frontier ST over Santa Rosa Cap Canal
GoodPinal County, Arizona · 5.8 MI W JCT SR 87 · Structure no. 11337
- Built
- 1986
- 39 years old
- Condition
- Good
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 72 ft
- 1 main span
- Daily traffic
- 4,422
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Frontier ST over Santa Rosa Cap Canal is a prestressed concrete stringer/multi-beam or girder carrying Frontier ST over Santa Rosa Cap Canal in Pinal County, Arizona. It was built in 1986, so it is 39 years old, younger 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 4,422 vehicles a day, roughly 12% of them trucks, projected to reach 4,442 by 2042. The structure is 72 ft (21.9 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Frontier ST over Santa Rosa Cap Canal built?
It was built in 1986, making it 39 years old in 2025.
What condition is Frontier ST over Santa Rosa Cap Canal 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 March 2024.
How much traffic does Frontier ST over Santa Rosa Cap Canal carry?
About 4,422 vehicles per day (2022 count), of which roughly 12% are trucks.
How long is Frontier ST over Santa Rosa Cap Canal?
The structure is 72 ft (21.9 m) long with a longest span of 70 ft (21.3 m) and a deck 47 ft wide.
Who owns Frontier ST over Santa Rosa Cap Canal?
It is owned by the City or Municipal Highway Agency.