State Route 55 over Chapman Avenue
GoodOrange County, California · 12-ORA-055-13.60-TUS · Structure no. 55 0926
- Built
- 2001
- 24 years old
- Condition
- Good
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 195 ft
- 2 main spans
- Daily traffic
- 247,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 55 over Chapman Avenue is a prestressed concrete continuous box beam or girders - multiple carrying State Route 55 over Chapman Avenue in Orange County, California. It was built in 2001, so it is 24 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 247,000 vehicles a day, roughly 6% of them trucks, projected to reach 375,000 by 2042. The structure is 195 ft (59.3 m) long and 223 ft wide. If it were closed, the detour would be 2.5 mi (4 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 State Route 55 over Chapman Avenue built?
It was built in 2001, making it 24 years old in 2025.
What condition is State Route 55 over Chapman Avenue 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 2024.
How much traffic does State Route 55 over Chapman Avenue carry?
About 247,000 vehicles per day (2020 count), of which roughly 6% are trucks.
How long is State Route 55 over Chapman Avenue?
The structure is 195 ft (59.3 m) long with a longest span of 103 ft (31.5 m) and a deck 223 ft wide.
Who owns State Route 55 over Chapman Avenue?
It is owned by the State Highway Agency.