Interstate 15 SB over Nctd BNSF RY Washington
FairSan Diego County, California · 11-SD-015-R31.17-ESD · Structure no. 57 0812L
- Built
- 1977
- 48 years old
- Condition
- Fair
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 365 ft
- 4 main spans
- Daily traffic
- 99,500
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 15 SB over Nctd BNSF RY Washington is a prestressed concrete continuous box beam or girders - multiple carrying Interstate 15 SB over Nctd BNSF RY Washington in San Diego County, California. It was built in 1977, 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 6 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 99,500 vehicles a day, roughly 7% of them trucks, projected to reach 168,000 by 2041. The structure is 365 ft (111.3 m) long and 94 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 15 SB over Nctd BNSF RY Washington built?
It was built in 1977, making it 48 years old in 2025.
What condition is Interstate 15 SB over Nctd BNSF RY Washington 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 2024.
How much traffic does Interstate 15 SB over Nctd BNSF RY Washington carry?
About 99,500 vehicles per day (2019 count), of which roughly 7% are trucks.
How long is Interstate 15 SB over Nctd BNSF RY Washington?
The structure is 365 ft (111.3 m) long with a longest span of 129 ft (39.3 m) and a deck 94 ft wide.
Who owns Interstate 15 SB over Nctd BNSF RY Washington?
It is owned by the State Highway Agency.