Main Street over Interstate 5
GoodSan Diego County, California · 11-SD-005-5.40-SD · Structure no. 57 0112
- Built
- 1973
- 52 years old
- Condition
- Good
- inspected March 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 271 ft
- 2 main spans
- Daily traffic
- 26,900
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Main Street over Interstate 5 is a prestressed concrete continuous box beam or girders - multiple carrying Main Street over Interstate 5 in San Diego County, California. It was built in 1973, so it is 52 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 26,900 vehicles a day, roughly 3% of them trucks, projected to reach 30,912 by 2040. The structure is 271 ft (82.6 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| 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 Main Street over Interstate 5 built?
It was built in 1973, making it 52 years old in 2025.
What condition is Main Street over Interstate 5 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.
How much traffic does Main Street over Interstate 5 carry?
About 26,900 vehicles per day (2020 count), of which roughly 3% are trucks.
How long is Main Street over Interstate 5?
The structure is 271 ft (82.6 m) long with a longest span of 150 ft (45.7 m) and a deck 47 ft wide.
Who owns Main Street over Interstate 5?
It is owned by the State Highway Agency.