Stuart Mesa Road over Santa Margarita River
PoorSan Diego County, California · 0.4 Mile NW of Vandegrift · Structure no. 2CA0012
- Built
- 1960
- 65 years old
- Condition
- Poor
- inspected October 2024
- Type
- Slab
- Concrete Continuous
- Length
- 226 ft
- 9 main spans
- Daily traffic
- 15,000
- 2014 count
- Owner
- Federal
- Navy / Marines
About this bridge
Stuart Mesa Road over Santa Margarita River is a concrete continuous slab carrying Stuart Mesa Road over Santa Margarita River in San Diego County, California. It was built in 1960, so it is 65 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 15,000 vehicles a day, roughly 1% of them trucks, projected to reach 18,000 by 2043. The structure is 226 ft (69 m) long and 32 ft wide. If it were closed, the detour would be 0.6 mi (1 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Stuart Mesa Road over Santa Margarita River built?
It was built in 1960, making it 65 years old in 2025.
What condition is Stuart Mesa Road over Santa Margarita River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.
How much traffic does Stuart Mesa Road over Santa Margarita River carry?
About 15,000 vehicles per day (2014 count), of which roughly 1% are trucks.
How long is Stuart Mesa Road over Santa Margarita River?
The structure is 226 ft (69 m) long with a longest span of 25 ft (7.6 m) and a deck 32 ft wide.
Who owns Stuart Mesa Road over Santa Margarita River?
It is owned by the Navy / Marines.