Tapo ST over Arroyo Simi
GoodVentura County, California · 200 S. of Los Angeles Av · Structure no. 52C0274
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected March 2022
- Type
- Box Beam or Girders - Single or Spread
- Concrete
- Length
- 99 ft
- 1 main span
- Daily traffic
- 3,000
- 2019 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Tapo ST over Arroyo Simi is a concrete box beam or girders - single or spread carrying Tapo ST over Arroyo Simi in Ventura County, California. It was built in 1999, so it is 26 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 3,000 vehicles a day, roughly 1% of them trucks, projected to reach 5,455 by 2040. The structure is 99 ft (30.2 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Tapo ST over Arroyo Simi built?
It was built in 1999, making it 26 years old in 2025.
What condition is Tapo ST 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 Tapo ST over Arroyo Simi carry?
About 3,000 vehicles per day (2019 count), of which roughly 1% are trucks.
How long is Tapo ST over Arroyo Simi?
The structure is 99 ft (30.2 m) long with a longest span of 95 ft (29.1 m) and a deck 52 ft wide.
Who owns Tapo ST over Arroyo Simi?
It is owned by the City or Municipal Highway Agency.