I-8 WB over Gillepsie Canal
FairMaricopa County, Arizona · 6.1 MI W JCT SR 85 · Structure no. 00569
- Built
- 1960
- 65 years old
- Condition
- Fair
- inspected February 2024
- Type
- Slab
- Concrete Continuous
- Length
- 51 ft
- 2 main spans
- Daily traffic
- 6,144
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I-8 WB over Gillepsie Canal is a concrete continuous slab carrying I-8 WB over Gillepsie Canal in Maricopa County, Arizona. It was built in 1960, so it is 65 years old, older than the Arizona average of 47.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 6,144 vehicles a day, roughly 26% of them trucks, projected to reach 6,154 by 2042. The structure is 51 ft (15.5 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-8 WB over Gillepsie Canal built?
It was built in 1960, making it 65 years old in 2025.
What condition is I-8 WB over Gillepsie Canal in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.
How much traffic does I-8 WB over Gillepsie Canal carry?
About 6,144 vehicles per day (2022 count), of which roughly 26% are trucks.
How long is I-8 WB over Gillepsie Canal?
The structure is 51 ft (15.5 m) long with a longest span of 25 ft (7.6 m) and a deck 43 ft wide.
Who owns I-8 WB over Gillepsie Canal?
It is owned by the State Highway Agency.