San Marcos RD over San Antonio Creek
FairSanta Barbara County, California · 0.2MI N El Camino Real RD · Structure no. 51C0070
- Built
- 1998
- 27 years old
- Condition
- Fair
- inspected March 2023
- Type
- Tee Beam
- Concrete
- Length
- 50 ft
- 1 main span
- Daily traffic
- 3,563
- 2009 count
- Owner
- County
- County Highway Agency
About this bridge
San Marcos RD over San Antonio Creek is a concrete tee beam carrying San Marcos RD over San Antonio Creek in Santa Barbara County, California. It was built in 1998, so it is 27 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 3,563 vehicles a day, roughly 1% of them trucks, projected to reach 4,303 by 2043. The structure is 50 ft (15.2 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 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 San Marcos RD over San Antonio Creek built?
It was built in 1998, making it 27 years old in 2025.
What condition is San Marcos RD over San Antonio 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 March 2023.
How much traffic does San Marcos RD over San Antonio Creek carry?
About 3,563 vehicles per day (2009 count), of which roughly 1% are trucks.
How long is San Marcos RD over San Antonio Creek?
The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.8 m) and a deck 40 ft wide.
Who owns San Marcos RD over San Antonio Creek?
It is owned by the County Highway Agency.