State Route 23 over Grimes Canyon Channel
GoodVentura County, California · 07-VEN-023-R21.02 · Structure no. 52 0424
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected June 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 48 ft
- 3 main spans
- Daily traffic
- 6,200
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 23 over Grimes Canyon Channel is a concrete continuous culvert carrying State Route 23 over Grimes Canyon Channel in Ventura County, California. It was built in 1991, so it is 34 years old, younger 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 6,200 vehicles a day, roughly 16% of them trucks, projected to reach 11,447 by 2041. The structure is 48 ft (14.7 m) long and 52 ft wide. If it were closed, the detour would be 39.8 mi (64 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 | 9 Excellent | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 23 over Grimes Canyon Channel built?
It was built in 1991, making it 34 years old in 2025.
What condition is State Route 23 over Grimes Canyon Channel 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 June 2023.
How much traffic does State Route 23 over Grimes Canyon Channel carry?
About 6,200 vehicles per day (2017 count), of which roughly 16% are trucks.
How long is State Route 23 over Grimes Canyon Channel?
The structure is 48 ft (14.7 m) long with a longest span of 15 ft (4.7 m) and a deck 52 ft wide.
Who owns State Route 23 over Grimes Canyon Channel?
It is owned by the State Highway Agency.