SR 303L over Northern Parkway
GoodMaricopa County, Arizona · 6.5 Miles N of I-10 · Structure no. 20008
- Built
- 2013
- 12 years old
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 185 ft
- 2 main spans
- Daily traffic
- 27,812
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
SR 303L over Northern Parkway is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 303L over Northern Parkway 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 27,812 vehicles a day, roughly 10% of them trucks, projected to reach 27,822 by 2041. The structure is 185 ft (56.4 m) long and 87 ft wide. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| 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 Parkway built?
It was built in 2013, making it 12 years old in 2025.
What condition is SR 303L over Northern Parkway 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 Parkway carry?
About 27,812 vehicles per day (2021 count), of which roughly 10% are trucks.
How long is SR 303L over Northern Parkway?
The structure is 185 ft (56.4 m) long with a longest span of 90 ft (27.4 m) and a deck 87 ft wide.
Who owns SR 303L over Northern Parkway?
It is owned by the State Highway Agency.