I-10 WB over SR303L Mainline & Frt RD
GoodMaricopa County, Arizona · 24.5 MI W JCT I 10/I 17 · Structure no. 02980
- Built
- 2013
- 12 years old
- Condition
- Good
- inspected January 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 466 ft
- 4 main spans
- Daily traffic
- 57,758
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I-10 WB over SR303L Mainline & Frt RD is a prestressed concrete continuous box beam or girders - single or spread carrying I-10 WB over SR303L Mainline & Frt RD 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 57,758 vehicles a day, roughly 4% of them trucks, projected to reach 57,768 by 2041. The structure is 466 ft (142 m) long and 91 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 | 8 Very Good | No problems noted. |
| 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 I-10 WB over SR303L Mainline & Frt RD built?
It was built in 2013, making it 12 years old in 2025.
What condition is I-10 WB over SR303L Mainline & Frt RD 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 January 2023.
How much traffic does I-10 WB over SR303L Mainline & Frt RD carry?
About 57,758 vehicles per day (2021 count), of which roughly 4% are trucks.
How long is I-10 WB over SR303L Mainline & Frt RD?
The structure is 466 ft (142 m) long with a longest span of 130 ft (39.6 m) and a deck 91 ft wide.
Who owns I-10 WB over SR303L Mainline & Frt RD?
It is owned by the State Highway Agency.