State Route 75 over San Diego Bay Harbor DR
FairSan Diego County, California · 11-SD-075-R20.49-SD · Structure no. 57 0857
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected August 2024
- Type
- Orthotropic
- Steel
- Length
- 7,826 ft
- 3 main spans
- Daily traffic
- 85,000
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 75 over San Diego Bay Harbor DR is a steel orthotropic carrying State Route 75 over San Diego Bay Harbor DR in San Diego County, California. It was built in 1969, so it is 56 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 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 85,000 vehicles a day, roughly 4% of them trucks, projected to reach 103,638 by 2046. The structure is 7,826 ft (2,385.4 m) long and 66 ft wide. If it were closed, the detour would be 18.6 mi (30 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 75 over San Diego Bay Harbor DR built?
It was built in 1969, making it 56 years old in 2025.
What condition is State Route 75 over San Diego Bay Harbor DR 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 August 2024.
How much traffic does State Route 75 over San Diego Bay Harbor DR carry?
About 85,000 vehicles per day (2022 count), of which roughly 4% are trucks.
How long is State Route 75 over San Diego Bay Harbor DR?
The structure is 7,826 ft (2,385.4 m) long with a longest span of 660 ft (201.2 m) and a deck 66 ft wide.
Who owns State Route 75 over San Diego Bay Harbor DR?
It is owned by the State Highway Agency.