Carlsbad Blvd over Aqua Hedionda Lagoon
FairSan Diego County, California · 1.0MI S/O Carlsbad Vge DR · Structure no. 57C0133
- Built
- 1986
- 39 years old
- Condition
- Fair
- inspected August 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 201 ft
- 1 main span
- Daily traffic
- 22,623
- 2016 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Carlsbad Blvd over Aqua Hedionda Lagoon is a prestressed concrete box beam or girders - multiple carrying Carlsbad Blvd over Aqua Hedionda Lagoon in San Diego County, California. It was built in 1986, so it is 39 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 22,623 vehicles a day, roughly 2% of them trucks, projected to reach 29,350 by 2040. The structure is 201 ft (61.3 m) long and 82 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Carlsbad Blvd over Aqua Hedionda Lagoon built?
It was built in 1986, making it 39 years old in 2025.
What condition is Carlsbad Blvd over Aqua Hedionda Lagoon in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.
How much traffic does Carlsbad Blvd over Aqua Hedionda Lagoon carry?
About 22,623 vehicles per day (2016 count), of which roughly 2% are trucks.
How long is Carlsbad Blvd over Aqua Hedionda Lagoon?
The structure is 201 ft (61.3 m) long with a longest span of 197 ft (60 m) and a deck 82 ft wide.
Who owns Carlsbad Blvd over Aqua Hedionda Lagoon?
It is owned by the City or Municipal Highway Agency.