Northern Ave over I 17
GoodMaricopa County, Arizona · 8.0 MI S 101L/I 17 Ti · Structure no. 02495
- Built
- 1998
- 27 years old
- Condition
- Good
- inspected July 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 181 ft
- 2 main spans
- Daily traffic
- 36,858
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Northern Ave over I 17 is a prestressed concrete continuous box beam or girders - multiple carrying Northern Ave over I 17 in Maricopa County, Arizona. It was built in 1998, so it is 27 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 36,858 vehicles a day, roughly 5% of them trucks, projected to reach 36,868 by 2041. The structure is 181 ft (55.2 m) long and 194 ft wide. 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Northern Ave over I 17 built?
It was built in 1998, making it 27 years old in 2025.
What condition is Northern Ave over I 17 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 July 2024.
How much traffic does Northern Ave over I 17 carry?
About 36,858 vehicles per day (2021 count), of which roughly 5% are trucks.
How long is Northern Ave over I 17?
The structure is 181 ft (55.2 m) long with a longest span of 88 ft (26.8 m) and a deck 194 ft wide.
Who owns Northern Ave over I 17?
It is owned by the State Highway Agency.