State Route 55 over Lincoln Ave
PoorOrange County, California · 12-ORA-055-16.98-ORA · Structure no. 55 0328
- Built
- 1961
- 64 years old, rebuilt 2002
- Condition
- Poor
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 198 ft
- 4 main spans
- Daily traffic
- 227,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 55 over Lincoln Ave is a concrete continuous box beam or girders - multiple carrying State Route 55 over Lincoln Ave in Orange County, California. It was built in 1961 and reconstructed in 2002, so it is 64 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 227,000 vehicles a day, roughly 6% of them trucks, projected to reach 275,000 by 2042. The structure is 198 ft (60.4 m) long and 135 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 State Route 55 over Lincoln Ave built?
It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2002.
What condition is State Route 55 over Lincoln Ave in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.
How much traffic does State Route 55 over Lincoln Ave carry?
About 227,000 vehicles per day (2020 count), of which roughly 6% are trucks.
How long is State Route 55 over Lincoln Ave?
The structure is 198 ft (60.4 m) long with a longest span of 58 ft (17.7 m) and a deck 135 ft wide.
Who owns State Route 55 over Lincoln Ave?
It is owned by the State Highway Agency.