Cassidy ST over Interstate 5
GoodSan Diego County, California · 11-SD-005-R51.47-OCN · Structure no. 57 0269
- Built
- 1971
- 54 years old
- Condition
- Good
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 225 ft
- 2 main spans
- Daily traffic
- 7,200
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Cassidy ST over Interstate 5 is a concrete continuous box beam or girders - multiple carrying Cassidy ST over Interstate 5 in San Diego County, California. It was built in 1971, so it is 54 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 7,200 vehicles a day, roughly 2% of them trucks, projected to reach 7,728 by 2045. The structure is 225 ft (68.6 m) long and 47 ft wide. If it were closed, the detour would be 3.1 mi (5 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 Cassidy ST over Interstate 5 built?
It was built in 1971, making it 54 years old in 2025.
What condition is Cassidy ST over Interstate 5 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 2024.
How much traffic does Cassidy ST over Interstate 5 carry?
About 7,200 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Cassidy ST over Interstate 5?
The structure is 225 ft (68.6 m) long with a longest span of 122 ft (37.2 m) and a deck 47 ft wide.
Who owns Cassidy ST over Interstate 5?
It is owned by the State Highway Agency.