12th Street over Silver Spring Gulch
GoodYavapai County, Arizona · 430 Ft N JCT SR 89A · Structure no. 10834
- Built
- 1994
- 31 years old
- Condition
- Good
- inspected September 2022
- Type
- Culvert
- Concrete Continuous
- Length
- 67 ft
- 6 main spans
- Daily traffic
- 2,763
- 2021 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
12th Street over Silver Spring Gulch is a concrete continuous culvert carrying 12th Street over Silver Spring Gulch in Yavapai County, Arizona. It was built in 1994, so it is 31 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 2,763 vehicles a day, roughly 2% of them trucks, projected to reach 2,773 by 2041. The structure is 67 ft (20.4 m) long. 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 |
|---|---|---|
| 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 12th Street over Silver Spring Gulch built?
It was built in 1994, making it 31 years old in 2025.
What condition is 12th Street over Silver Spring Gulch 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 September 2022.
How much traffic does 12th Street over Silver Spring Gulch carry?
About 2,763 vehicles per day (2021 count), of which roughly 2% are trucks.
How long is 12th Street over Silver Spring Gulch?
The structure is 67 ft (20.4 m) long with a longest span of 10 ft (3 m).
Who owns 12th Street over Silver Spring Gulch?
It is owned by the City or Municipal Highway Agency.