IRR BIA RTE 11 over Arizona Canal
PoorMaricopa County, Arizona · Alma School Bridge · Structure no. 00000000000H121
- Built
- 1965
- 60 years old
- Condition
- Poor
- inspected January 2023
- Type
- Slab
- Concrete Continuous
- Length
- 117 ft
- 3 main spans
- Daily traffic
- 1,600
- 2023 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 11 over Arizona Canal is a concrete continuous slab carrying IRR BIA RTE 11 over Arizona Canal in Maricopa County, Arizona. It was built in 1965, so it is 60 years old, older than the Arizona average of 47.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 1,600 vehicles a day, roughly 10% of them trucks, projected to reach 1,900 by 2043. The structure is 117 ft (35.8 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR BIA RTE 11 over Arizona Canal built?
It was built in 1965, making it 60 years old in 2025.
What condition is IRR BIA RTE 11 over Arizona Canal in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2023.
How much traffic does IRR BIA RTE 11 over Arizona Canal carry?
About 1,600 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is IRR BIA RTE 11 over Arizona Canal?
The structure is 117 ft (35.8 m) long with a longest span of 45 ft (13.7 m) and a deck 32 ft wide.
Who owns IRR BIA RTE 11 over Arizona Canal?
It is owned by the Bureau of Indian Affairs.