Del Mar Ave over State Route 55
FairOrange County, California · 12-ORA-055-R3.78-CMS · Structure no. 55 0597
- Built
- 1990
- 35 years old
- Condition
- Fair
- inspected February 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 224 ft
- 2 main spans
- Daily traffic
- 15,000
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
Del Mar Ave over State Route 55 is a prestressed concrete continuous box beam or girders - multiple carrying Del Mar Ave over State Route 55 in Orange County, California. It was built in 1990, so it is 35 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 15,000 vehicles a day, roughly 3% of them trucks, projected to reach 18,052 by 2044. The structure is 224 ft (68.3 m) long and 108 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 | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Del Mar Ave over State Route 55 built?
It was built in 1990, making it 35 years old in 2025.
What condition is Del Mar Ave over State Route 55 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 February 2024.
How much traffic does Del Mar Ave over State Route 55 carry?
About 15,000 vehicles per day (2014 count), of which roughly 3% are trucks.
How long is Del Mar Ave over State Route 55?
The structure is 224 ft (68.3 m) long with a longest span of 110 ft (33.5 m) and a deck 108 ft wide.
Who owns Del Mar Ave over State Route 55?
It is owned by the State Highway Agency.