303 L over Mcmicken Dam Outfall
GoodMaricopa County, Arizona · 4.7 MI NE of US 60 · Structure no. 07226
- Built
- 2004
- 21 years old, rebuilt 2015
- Condition
- Good
- inspected March 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 122 ft
- 11 main spans
- Daily traffic
- 32,637
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
303 L over Mcmicken Dam Outfall is a concrete continuous culvert carrying 303 L over Mcmicken Dam Outfall in Maricopa County, Arizona. It was built in 2004 and reconstructed in 2015, so it is 21 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 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 32,637 vehicles a day, roughly 13% of them trucks, projected to reach 32,647 by 2038. The structure is 122 ft (37.2 m) long. If it were closed, the detour would be 3.1 mi (5 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 303 L over Mcmicken Dam Outfall built?
It was built in 2004, making it 21 years old in 2025. It was reconstructed in 2015.
What condition is 303 L over Mcmicken Dam Outfall 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 March 2023.
How much traffic does 303 L over Mcmicken Dam Outfall carry?
About 32,637 vehicles per day (2018 count), of which roughly 13% are trucks.
How long is 303 L over Mcmicken Dam Outfall?
The structure is 122 ft (37.2 m) long with a longest span of 10 ft (3 m).
Who owns 303 L over Mcmicken Dam Outfall?
It is owned by the State Highway Agency.