Lake Forest DR over Interstate 5
FairOrange County, California · 12-ORA-005-19.89-LKFR · Structure no. 55 0548
- Built
- 1974
- 51 years old
- Condition
- Fair
- inspected July 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 385 ft
- 2 main spans
- Daily traffic
- 50,000
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Lake Forest DR over Interstate 5 is a prestressed concrete continuous box beam or girders - multiple carrying Lake Forest DR over Interstate 5 in Orange County, California. It was built in 1974, 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 50,000 vehicles a day, roughly 3% of them trucks, projected to reach 53,174 by 2046. The structure is 385 ft (117.3 m) long and 109 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Lake Forest DR over Interstate 5 built?
It was built in 1974, making it 51 years old in 2025.
What condition is Lake Forest DR over Interstate 5 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 July 2024.
How much traffic does Lake Forest DR over Interstate 5 carry?
About 50,000 vehicles per day (2024 count), of which roughly 3% are trucks.
How long is Lake Forest DR over Interstate 5?
The structure is 385 ft (117.3 m) long with a longest span of 197 ft (60 m) and a deck 109 ft wide.
Who owns Lake Forest DR over Interstate 5?
It is owned by the State Highway Agency.