Katherine Road over Arroyo Simi
GoodVentura County, California · 0.5 MI W of Kuehner DR · Structure no. 52C0029
- Built
- 1962
- 63 years old, rebuilt 2001
- Condition
- Good
- inspected March 2022
- Type
- Tee Beam
- Concrete
- Length
- 39 ft
- 1 main span
- Daily traffic
- 3,000
- 2019 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Katherine Road over Arroyo Simi is a concrete tee beam carrying Katherine Road over Arroyo Simi in Ventura County, California. It was built in 1962 and reconstructed in 2001, so it is 63 years old, older than the California average of 54.8 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 3,000 vehicles a day, roughly 1% of them trucks, projected to reach 4,300 by 2040. The structure is 39 ft (11.9 m) long and 84 ft wide. 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Katherine Road over Arroyo Simi built?
It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2001.
What condition is Katherine Road over Arroyo Simi 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 March 2022.
How much traffic does Katherine Road over Arroyo Simi carry?
About 3,000 vehicles per day (2019 count), of which roughly 1% are trucks.
How long is Katherine Road over Arroyo Simi?
The structure is 39 ft (11.9 m) long with a longest span of 36 ft (11 m) and a deck 84 ft wide.
Who owns Katherine Road over Arroyo Simi?
It is owned by the City or Municipal Highway Agency.