US Bridges

Mesa Drive over Santa Ana Delhi Channel

Good

Orange County, California · 100 Se/O Irvine Avenue · Structure no. 55C0575

Built
1988
37 years old, rebuilt 2014
Condition
Good
inspected August 2022
Type
Culvert
Concrete Continuous
Length
56 ft
3 main spans
Daily traffic
12,000
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mesa Drive over Santa Ana Delhi Channel is a concrete continuous culvert carrying Mesa Drive over Santa Ana Delhi Channel in Orange County, California. It was built in 1988 and reconstructed in 2014, 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 12,000 vehicles a day, roughly 1% of them trucks, projected to reach 24,484 by 2040. The structure is 56 ft (17.1 m) long and 87 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMesa Drive
CrossesSanta Ana Delhi Channel
Location100 Se/O Irvine Avenue
RouteCity Street 0
Coordinates33.65844, -117.88418
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadUnknown
Structure length56 ft (17.1 m)
Longest span18 ft (5.5 m)
Deck width87 ft (26.6 m)
Roadway width68 ft (20.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2022)
Projected traffic24,484 by 2040
Trucks1%
Lanes on structure5
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Mesa Drive over Santa Ana Delhi Channel built?

It was built in 1988, making it 37 years old in 2025. It was reconstructed in 2014.

What condition is Mesa Drive 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 August 2022.

How much traffic does Mesa Drive over Santa Ana Delhi Channel carry?

About 12,000 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Mesa Drive over Santa Ana Delhi Channel?

The structure is 56 ft (17.1 m) long with a longest span of 18 ft (5.5 m) and a deck 87 ft wide.

Who owns Mesa Drive over Santa Ana Delhi Channel?

It is owned by the City or Municipal Highway Agency.