Interstate 8 over State Route 163
FairSan Diego County, California · 11-SD-008-2.41-SD · Structure no. 57 0357
- Built
- 1959
- 66 years old, rebuilt 1978
- Condition
- Fair
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 254 ft
- 4 main spans
- Daily traffic
- 220,000
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 8 over State Route 163 is a prestressed concrete stringer/multi-beam or girder carrying Interstate 8 over State Route 163 in San Diego County, California. It was built in 1959 and reconstructed in 1978, so it is 66 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 220,000 vehicles a day, roughly 2% of them trucks, projected to reach 316,386 by 2046. The structure is 254 ft (77.4 m) long and 129 ft wide. If it were closed, the detour would be 3.1 mi (5 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 8 over State Route 163 built?
It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1978.
What condition is Interstate 8 over State Route 163 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 February 2024.
How much traffic does Interstate 8 over State Route 163 carry?
About 220,000 vehicles per day (2014 count), of which roughly 2% are trucks.
How long is Interstate 8 over State Route 163?
The structure is 254 ft (77.4 m) long with a longest span of 85 ft (25.9 m) and a deck 129 ft wide.
Who owns Interstate 8 over State Route 163?
It is owned by the State Highway Agency.