US Bridges

Irvine Avenue over Santa Ana Delhi Channel

Good

Orange County, California · 0.4 MI Sw/O Bristol St. · Structure no. 55C0572

Built
1988
37 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
73 ft
3 main spans
Daily traffic
18,290
2018 count
Owner
County
County Highway Agency

About this bridge

Irvine Avenue over Santa Ana Delhi Channel is a concrete culvert carrying Irvine Avenue over Santa Ana Delhi Channel in Orange County, California. It was built in 1988, so it is 37 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 18,290 vehicles a day, roughly 1% of them trucks, projected to reach 27,543 by 2042. The structure is 73 ft (22.4 m) long and 108 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIrvine Avenue
CrossesSanta Ana Delhi Channel
Location0.4 MI Sw/O Bristol St.
RouteCounty Highway 0
CountyOrange County
StateCalifornia
Coordinates33.65974, -117.8817
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length73 ft (22.4 m)
Longest span24 ft (7.4 m)
Deck width108 ft (33 m)
Roadway width99 ft (30.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,290 (2018)
Projected traffic27,543 by 2042
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Irvine Avenue over Santa Ana Delhi Channel built?

It was built in 1988, making it 37 years old in 2025.

What condition is Irvine Avenue over Santa Ana Delhi 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 October 2023.

How much traffic does Irvine Avenue over Santa Ana Delhi Channel carry?

About 18,290 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Irvine Avenue over Santa Ana Delhi Channel?

The structure is 73 ft (22.4 m) long with a longest span of 24 ft (7.4 m) and a deck 108 ft wide.

Who owns Irvine Avenue over Santa Ana Delhi Channel?

It is owned by the County Highway Agency.