Walnut Avenue over El Modena-Irvine Channel
GoodOrange County, California · 0.1 MI E/O Jamboree RD · Structure no. 55C0641
- Built
- 1998
- 27 years old
- Condition
- Good
- inspected March 2022
- Type
- Culvert
- Concrete Continuous
- Length
- 68 ft
- 5 main spans
- Daily traffic
- 20,500
- 2018 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Walnut Avenue over El Modena-Irvine Channel is a concrete continuous culvert carrying Walnut Avenue over El Modena-Irvine Channel in Orange County, California. It was built in 1998, so it is 27 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 20,500 vehicles a day, roughly 1% of them trucks, projected to reach 23,500 by 2040. The structure is 68 ft (20.8 m) long and 160 ft wide. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Channel and channel protection | 9 Excellent | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Walnut Avenue over El Modena-Irvine Channel built?
It was built in 1998, making it 27 years old in 2025.
What condition is Walnut Avenue over El Modena-Irvine Channel 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 2022.
How much traffic does Walnut Avenue over El Modena-Irvine Channel carry?
About 20,500 vehicles per day (2018 count), of which roughly 1% are trucks.
How long is Walnut Avenue over El Modena-Irvine Channel?
The structure is 68 ft (20.8 m) long with a longest span of 12 ft (3.7 m) and a deck 160 ft wide.
Who owns Walnut Avenue over El Modena-Irvine Channel?
It is owned by the City or Municipal Highway Agency.