40th Street over I 10
FairMaricopa County, Arizona · 2.87 MI E of JCT I 17 · Structure no. 02190
- Built
- 1989
- 36 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 343 ft
- 2 main spans
- Daily traffic
- 27,881
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
40th Street over I 10 is a steel continuous stringer/multi-beam or girder carrying 40th Street over I 10 in Maricopa County, Arizona. It was built in 1989, so it is 36 years old, younger 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 27,881 vehicles a day, roughly 10% of them trucks, projected to reach 27,891 by 2042. The structure is 343 ft (104.5 m) long and 127 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 40th Street over I 10 built?
It was built in 1989, making it 36 years old in 2025.
What condition is 40th Street over I 10 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 August 2024.
How much traffic does 40th Street over I 10 carry?
About 27,881 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is 40th Street over I 10?
The structure is 343 ft (104.5 m) long with a longest span of 170 ft (51.8 m) and a deck 127 ft wide.
Who owns 40th Street over I 10?
It is owned by the State Highway Agency.