S-15 Onramp over Murphy Creek
FairSan Diego County, California · 11-SD-015-R6.74-SD · Structure no. 57 0625K
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected July 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 179 ft
- 3 main spans
- Daily traffic
- 2,800
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
S-15 Onramp over Murphy Creek is a concrete continuous box beam or girders - multiple carrying S-15 Onramp over Murphy Creek in San Diego County, California. It was built in 1967, so it is 58 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 2,800 vehicles a day, roughly 2% of them trucks, projected to reach 3,829 by 2041. The structure is 179 ft (54.6 m) long and 28 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 | 7 Good | Some minor problems. |
| 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 S-15 Onramp over Murphy Creek built?
It was built in 1967, making it 58 years old in 2025.
What condition is S-15 Onramp over Murphy 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 July 2023.
How much traffic does S-15 Onramp over Murphy Creek carry?
About 2,800 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is S-15 Onramp over Murphy Creek?
The structure is 179 ft (54.6 m) long with a longest span of 97 ft (29.6 m) and a deck 28 ft wide.
Who owns S-15 Onramp over Murphy Creek?
It is owned by the State Highway Agency.