Speedway Boulevard over Mosaic Wash
GoodPima County, Arizona · INLET@300 W Silverbell · Structure no. 10320
- Built
- 1990
- 35 years old
- Condition
- Good
- inspected August 2021
- Type
- Culvert
- Concrete Continuous
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 8,613
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Speedway Boulevard over Mosaic Wash is a concrete continuous culvert carrying Speedway Boulevard over Mosaic Wash in Pima County, Arizona. It was built in 1990, so it is 35 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 8,613 vehicles a day, roughly 10% of them trucks, projected to reach 8,623 by 2040. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Speedway Boulevard over Mosaic Wash built?
It was built in 1990, making it 35 years old in 2025.
What condition is Speedway Boulevard over Mosaic Wash 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 August 2021.
How much traffic does Speedway Boulevard over Mosaic Wash carry?
About 8,613 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Speedway Boulevard over Mosaic Wash?
The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).
Who owns Speedway Boulevard over Mosaic Wash?
It is owned by the City or Municipal Highway Agency.