SR 303L over Northern Ave
GoodMaricopa County, Arizona · 6 Miles N of I-10 · Structure no. 20006
- Built
- 2013
- 12 years old
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 233 ft
- 2 main spans
- Daily traffic
- 29,539
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
SR 303L over Northern Ave is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 303L over Northern Ave in Maricopa County, Arizona. It was built in 2013, so it is 12 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 29,539 vehicles a day, roughly 11% of them trucks, projected to reach 29,549 by 2041. The structure is 233 ft (71 m) long and 98 ft wide.
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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 303L over Northern Ave built?
It was built in 2013, making it 12 years old in 2025.
What condition is SR 303L over Northern Ave 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 2023.
How much traffic does SR 303L over Northern Ave carry?
About 29,539 vehicles per day (2021 count), of which roughly 11% are trucks.
How long is SR 303L over Northern Ave?
The structure is 233 ft (71 m) long with a longest span of 118 ft (36 m) and a deck 98 ft wide.
Who owns SR 303L over Northern Ave?
It is owned by the State Highway Agency.