Interstate 15 NB over Los Penasquitos Creek
FairSan Diego County, California · 11-SD-015-M17.82-SD · Structure no. 57 0106R
- Built
- 1977
- 48 years old, rebuilt 2006
- Condition
- Fair
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 651 ft
- 6 main spans
- Daily traffic
- 128,000
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 15 NB over Los Penasquitos Creek is a prestressed concrete stringer/multi-beam or girder carrying Interstate 15 NB over Los Penasquitos Creek in San Diego County, California. It was built in 1977 and reconstructed in 2006, so it is 48 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 128,000 vehicles a day, roughly 6% of them trucks, projected to reach 151,915 by 2041. The structure is 651 ft (198.5 m) long and 92 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 15 NB over Los Penasquitos Creek built?
It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2006.
What condition is Interstate 15 NB over Los Penasquitos 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 September 2023.
How much traffic does Interstate 15 NB over Los Penasquitos Creek carry?
About 128,000 vehicles per day (2019 count), of which roughly 6% are trucks.
How long is Interstate 15 NB over Los Penasquitos Creek?
The structure is 651 ft (198.5 m) long with a longest span of 109 ft (33.2 m) and a deck 92 ft wide.
Who owns Interstate 15 NB over Los Penasquitos Creek?
It is owned by the State Highway Agency.