I 10; WB over Southern Avenue
FairMaricopa County, Arizona · 0.3 MI W JCT US 60 · Structure no. 02777
- Built
- 1966
- 59 years old, rebuilt 1990
- Condition
- Fair
- inspected February 2023
- Type
- Box Beam or Girders - Single or Spread
- Concrete
- Length
- 139 ft
- 3 main spans
- Daily traffic
- 85,572
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I 10; WB over Southern Avenue is a concrete box beam or girders - single or spread carrying I 10; WB over Southern Avenue in Maricopa County, Arizona. It was built in 1966 and reconstructed in 1990, so it is 59 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 85,572 vehicles a day, roughly 4% of them trucks, projected to reach 85,582 by 2041. The structure is 139 ft (42.4 m) long and 115 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 10; WB over Southern Avenue built?
It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1990.
What condition is I 10; WB over Southern Avenue 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 February 2023.
How much traffic does I 10; WB over Southern Avenue carry?
About 85,572 vehicles per day (2021 count), of which roughly 4% are trucks.
How long is I 10; WB over Southern Avenue?
The structure is 139 ft (42.4 m) long with a longest span of 87 ft (26.5 m) and a deck 115 ft wide.
Who owns I 10; WB over Southern Avenue?
It is owned by the State Highway Agency.