SR 74 over Niger Wash
GoodMaricopa County, Arizona · 5.4 MI E JCT US 60 · Structure no. 06532
- Built
- 1966
- 59 years old
- Condition
- Good
- inspected May 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 43 ft
- 4 main spans
- Daily traffic
- 4,192
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
SR 74 over Niger Wash is a concrete continuous culvert carrying SR 74 over Niger Wash in Maricopa County, Arizona. It was built in 1966, 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 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 4,192 vehicles a day, roughly 29% of them trucks, projected to reach 4,202 by 2041. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 60.3 mi (97 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 | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 74 over Niger Wash built?
It was built in 1966, making it 59 years old in 2025.
What condition is SR 74 over Niger Wash 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 May 2023.
How much traffic does SR 74 over Niger Wash carry?
About 4,192 vehicles per day (2021 count), of which roughly 29% are trucks.
How long is SR 74 over Niger Wash?
The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m).
Who owns SR 74 over Niger Wash?
It is owned by the State Highway Agency.