Simpson St. over Drainageway
GoodPima County, Arizona · 300 W EB I-10 FR · Structure no. 10326
- Built
- 1998
- 27 years old
- Condition
- Good
- inspected August 2021
- Type
- Culvert
- Concrete Continuous
- Length
- 30 ft
- 3 main spans
- Daily traffic
- 20
- 2021 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Simpson St. over Drainageway is a concrete continuous culvert carrying Simpson St. over Drainageway in Pima 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 20 vehicles a day, roughly 1% of them trucks, projected to reach 30 by 2041. The structure is 30 ft (9.1 m) long and 43 ft wide. 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 Simpson St. over Drainageway built?
It was built in 1998, making it 27 years old in 2025.
What condition is Simpson St. over Drainageway 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 Simpson St. over Drainageway carry?
About 20 vehicles per day (2021 count), of which roughly 1% are trucks.
How long is Simpson St. over Drainageway?
The structure is 30 ft (9.1 m) long with a longest span of 8 ft (2.4 m) and a deck 43 ft wide.
Who owns Simpson St. over Drainageway?
It is owned by the City or Municipal Highway Agency.