Ironsp-Skull Vly R over Casa Negra Wash
GoodYavapai County, Arizona · 4.1 MI N JCT Kirkland RD · Structure no. 09455
- Built
- 1958
- 67 years old
- Condition
- Good
- inspected September 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 54 ft
- 5 main spans
- Daily traffic
- 1,127
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Ironsp-Skull Vly R over Casa Negra Wash is a concrete continuous culvert carrying Ironsp-Skull Vly R over Casa Negra Wash in Yavapai County, Arizona. It was built in 1958, so it is 67 years old, older 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 1,127 vehicles a day, roughly 5% of them trucks, projected to reach 1,137 by 2041. The structure is 54 ft (16.5 m) long. If it were closed, the detour would be 34.8 mi (56 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 | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ironsp-Skull Vly R over Casa Negra Wash built?
It was built in 1958, making it 67 years old in 2025.
What condition is Ironsp-Skull Vly R over Casa Negra 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 September 2023.
How much traffic does Ironsp-Skull Vly R over Casa Negra Wash carry?
About 1,127 vehicles per day (2021 count), of which roughly 5% are trucks.
How long is Ironsp-Skull Vly R over Casa Negra Wash?
The structure is 54 ft (16.5 m) long with a longest span of 10 ft (3 m).
Who owns Ironsp-Skull Vly R over Casa Negra Wash?
It is owned by the County Highway Agency.