Interstate 5 SB over Sweetwater River
FairSan Diego County, California · 11-SD-005-9.41-NATC · Structure no. 57 0794L
- Built
- 1988
- 37 years old
- Condition
- Fair
- inspected March 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 418 ft
- 7 main spans
- Daily traffic
- 89,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 5 SB over Sweetwater River is a concrete continuous box beam or girders - multiple carrying Interstate 5 SB over Sweetwater River in San Diego County, California. It was built in 1988, so it is 37 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 89,000 vehicles a day, projected to reach 132,000 by 2040. The structure is 418 ft (127.4 m) long and 81 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 5 SB over Sweetwater River built?
It was built in 1988, making it 37 years old in 2025.
What condition is Interstate 5 SB over Sweetwater River 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 2023.
How much traffic does Interstate 5 SB over Sweetwater River carry?
About 89,000 vehicles per day (2020 count).
How long is Interstate 5 SB over Sweetwater River?
The structure is 418 ft (127.4 m) long with a longest span of 63 ft (19.2 m) and a deck 81 ft wide.
Who owns Interstate 5 SB over Sweetwater River?
It is owned by the State Highway Agency.