Chapman Avenue over Santa Ana River Channel
PoorOrange County, California · 0.1 Mi. W/O Route 57 Fwy · Structure no. 55C0054
- Built
- 1976
- 49 years old
- Condition
- Poor
- inspected April 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 389 ft
- 5 main spans
- Daily traffic
- 32,900
- 2021 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Chapman Avenue over Santa Ana River Channel is a concrete continuous box beam or girders - multiple carrying Chapman Avenue over Santa Ana River Channel in Orange County, California. It was built in 1976, so it is 49 years old, younger 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 32,900 vehicles a day, roughly 1% of them trucks, projected to reach 65,827 by 2043. The structure is 389 ft (118.6 m) long and 100 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Chapman Avenue over Santa Ana River Channel built?
It was built in 1976, making it 49 years old in 2025.
What condition is Chapman Avenue over Santa Ana River Channel 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 April 2023.
How much traffic does Chapman Avenue over Santa Ana River Channel carry?
About 32,900 vehicles per day (2021 count), of which roughly 1% are trucks.
How long is Chapman Avenue over Santa Ana River Channel?
The structure is 389 ft (118.6 m) long with a longest span of 90 ft (27.4 m) and a deck 100 ft wide.
Who owns Chapman Avenue over Santa Ana River Channel?
It is owned by the City or Municipal Highway Agency.