National City Blvd over SR 54 & Sweetwater River
FairSan Diego County, California · 11-SD-054-0.39R-NATC · Structure no. 57 0764
- Built
- 1988
- 37 years old
- Condition
- Fair
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 792 ft
- 8 main spans
- Daily traffic
- 27,400
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
National City Blvd over SR 54 & Sweetwater River is a concrete continuous box beam or girders - multiple carrying National City Blvd over SR 54 & 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 27,400 vehicles a day, roughly 2% of them trucks, projected to reach 32,200 by 2041. The structure is 792 ft (241.4 m) long and 64 ft wide. If it were closed, the detour would be 3.7 mi (6 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 National City Blvd over SR 54 & Sweetwater River built?
It was built in 1988, making it 37 years old in 2025.
What condition is National City Blvd over SR 54 & 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 September 2024.
How much traffic does National City Blvd over SR 54 & Sweetwater River carry?
About 27,400 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is National City Blvd over SR 54 & Sweetwater River?
The structure is 792 ft (241.4 m) long with a longest span of 117 ft (35.7 m) and a deck 64 ft wide.
Who owns National City Blvd over SR 54 & Sweetwater River?
It is owned by the State Highway Agency.