Interstate 805 over Sweetwater RD
FairSan Diego County, California · 11-SD-805-9.04-NATC · Structure no. 57 0639
- Built
- 1974
- 51 years old, rebuilt 2014
- Condition
- Fair
- inspected June 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 277 ft
- 3 main spans
- Daily traffic
- 223,000
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 805 over Sweetwater RD is a prestressed concrete continuous box beam or girders - multiple carrying Interstate 805 over Sweetwater RD in San Diego County, California. It was built in 1974 and reconstructed in 2014, so it is 51 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 223,000 vehicles a day, roughly 6% of them trucks, projected to reach 308,000 by 2044. The structure is 277 ft (84.4 m) long and 164 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 805 over Sweetwater RD built?
It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2014.
What condition is Interstate 805 over Sweetwater RD 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 June 2024.
How much traffic does Interstate 805 over Sweetwater RD carry?
About 223,000 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is Interstate 805 over Sweetwater RD?
The structure is 277 ft (84.4 m) long with a longest span of 157 ft (47.9 m) and a deck 164 ft wide.
Who owns Interstate 805 over Sweetwater RD?
It is owned by the State Highway Agency.