State Route 23 over Olsen Road
GoodVentura County, California · 07-VEN-023-R8.21-THOK · Structure no. 52 0312R
- Built
- 1970
- 55 years old, rebuilt 2008
- Condition
- Good
- inspected May 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 233 ft
- 2 main spans
- Daily traffic
- 89,000
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 23 over Olsen Road is a prestressed concrete continuous box beam or girders - multiple carrying State Route 23 over Olsen Road in Ventura County, California. It was built in 1970 and reconstructed in 2008, so it is 55 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 89,000 vehicles a day, roughly 10% of them trucks, projected to reach 147,786 by 2041. The structure is 233 ft (70.9 m) long and 63 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 23 over Olsen Road built?
It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2008.
What condition is State Route 23 over Olsen Road 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 May 2023.
How much traffic does State Route 23 over Olsen Road carry?
About 89,000 vehicles per day (2015 count), of which roughly 10% are trucks.
How long is State Route 23 over Olsen Road?
The structure is 233 ft (70.9 m) long with a longest span of 127 ft (38.7 m) and a deck 63 ft wide.
Who owns State Route 23 over Olsen Road?
It is owned by the State Highway Agency.