Interstate 5 over Buena Vista Lagoon
GoodSan Diego County, California · 11-SD-005-R50.94-CBD · Structure no. 57 0277
- Built
- 1953
- 72 years old, rebuilt 1970
- Condition
- Good
- inspected March 2024
- Type
- Slab
- Concrete Continuous
- Length
- 103 ft
- 3 main spans
- Daily traffic
- 197,000
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 5 over Buena Vista Lagoon is a concrete continuous slab carrying Interstate 5 over Buena Vista Lagoon in San Diego County, California. It was built in 1953 and reconstructed in 1970, so it is 72 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 197,000 vehicles a day, roughly 6% of them trucks, projected to reach 240,084 by 2042. The structure is 103 ft (31.4 m) long and 183 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 5 over Buena Vista Lagoon built?
It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1970.
What condition is Interstate 5 over Buena Vista Lagoon 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 Interstate 5 over Buena Vista Lagoon carry?
About 197,000 vehicles per day (2021 count), of which roughly 6% are trucks.
How long is Interstate 5 over Buena Vista Lagoon?
The structure is 103 ft (31.4 m) long with a longest span of 40 ft (12.2 m) and a deck 183 ft wide.
Who owns Interstate 5 over Buena Vista Lagoon?
It is owned by the State Highway Agency.