Carlsbad Blvd SB over San Marcos Creek
FairSan Diego County, California · 0.4 MI N/O LA Costa Ave · Structure no. 57C0667L
- Built
- 1995
- 30 years old
- Condition
- Fair
- inspected August 2023
- Type
- Slab
- Concrete Continuous
- Length
- 208 ft
- 6 main spans
- Daily traffic
- 8,962
- 2017 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Carlsbad Blvd SB over San Marcos Creek is a concrete continuous slab carrying Carlsbad Blvd SB over San Marcos Creek in San Diego County, California. It was built in 1995, so it is 30 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 8,962 vehicles a day, roughly 1% of them trucks, projected to reach 10,419 by 2045. The structure is 208 ft (63.4 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Carlsbad Blvd SB over San Marcos Creek built?
It was built in 1995, making it 30 years old in 2025.
What condition is Carlsbad Blvd SB over San Marcos Creek 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 SB over San Marcos Creek carry?
About 8,962 vehicles per day (2017 count), of which roughly 1% are trucks.
How long is Carlsbad Blvd SB over San Marcos Creek?
The structure is 208 ft (63.4 m) long with a longest span of 37 ft (11.4 m) and a deck 41 ft wide.
Who owns Carlsbad Blvd SB over San Marcos Creek?
It is owned by the City or Municipal Highway Agency.