MAIN-N15 on Ramp over South Branch Chollas Crk
FairSan Diego County, California · 11-SD-015-0.47-SD · Structure no. 57 0495S
- Built
- 1954
- 71 years old, rebuilt 1962
- Condition
- Fair
- inspected March 2023
- Type
- Slab
- Concrete Continuous
- Length
- 49 ft
- 3 main spans
- Daily traffic
- 4,200
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
MAIN-N15 on Ramp over South Branch Chollas Crk is a concrete continuous slab carrying MAIN-N15 on Ramp over South Branch Chollas Crk in San Diego County, California. It was built in 1954 and reconstructed in 1962, so it is 71 years old, older 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 4,200 vehicles a day, roughly 2% of them trucks, projected to reach 5,101 by 2041. The structure is 49 ft (14.9 m) long and 25 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was MAIN-N15 on Ramp over South Branch Chollas Crk built?
It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1962.
What condition is MAIN-N15 on Ramp over South Branch Chollas Crk 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 MAIN-N15 on Ramp over South Branch Chollas Crk carry?
About 4,200 vehicles per day (2019 count), of which roughly 2% are trucks.
How long is MAIN-N15 on Ramp over South Branch Chollas Crk?
The structure is 49 ft (14.9 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.
Who owns MAIN-N15 on Ramp over South Branch Chollas Crk?
It is owned by the State Highway Agency.