91st Ave over Drainage Ditch
GoodMaricopa County, Arizona · @ JCT W/ Greenway RD · Structure no. 10862
- Built
- 1990
- 35 years old, rebuilt 1994
- Condition
- Good
- inspected June 2022
- Type
- Culvert
- Concrete Continuous
- Length
- 68 ft
- 4 main spans
- Daily traffic
- 8,066
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
91st Ave over Drainage Ditch is a concrete continuous culvert carrying 91st Ave over Drainage Ditch in Maricopa County, Arizona. It was built in 1990 and reconstructed in 1994, so it is 35 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 8,066 vehicles a day, roughly 5% of them trucks, projected to reach 8,076 by 2042. The structure is 68 ft (20.7 m) long. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 91st Ave over Drainage Ditch built?
It was built in 1990, making it 35 years old in 2025. It was reconstructed in 1994.
What condition is 91st Ave over Drainage Ditch 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 June 2022.
How much traffic does 91st Ave over Drainage Ditch carry?
About 8,066 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is 91st Ave over Drainage Ditch?
The structure is 68 ft (20.7 m) long with a longest span of 10 ft (3 m).
Who owns 91st Ave over Drainage Ditch?
It is owned by the City or Municipal Highway Agency.