US Bridges

Michelle Drive over El Modena Irvine Channel

Good

Orange County, California · 0.2 MI W Jamboree RD · Structure no. 55C0336

Built
1974
51 years old, rebuilt 1999
Condition
Good
inspected March 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
10,500
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Michelle Drive over El Modena Irvine Channel is a prestressed concrete stringer/multi-beam or girder carrying Michelle Drive over El Modena Irvine Channel in Orange County, California. It was built in 1974 and reconstructed in 1999, so it is 51 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 10,500 vehicles a day, roughly 7% of them trucks, projected to reach 11,000 by 2040. The structure is 66 ft (20 m) long and 96 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMichelle Drive
CrossesEl Modena Irvine Channel
Location0.2 MI W Jamboree RD
RouteCity Street 0
Coordinates33.71945, -117.79926
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMarch 2022
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 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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length66 ft (20 m)
Longest span64 ft (19.4 m)
Deck width96 ft (29.2 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,500 (2018)
Projected traffic11,000 by 2040
Trucks7%
Lanes on structure4
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 Michelle Drive over El Modena Irvine Channel built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 1999.

What condition is Michelle Drive 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 Michelle Drive over El Modena Irvine Channel carry?

About 10,500 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Michelle Drive over El Modena Irvine Channel?

The structure is 66 ft (20 m) long with a longest span of 64 ft (19.4 m) and a deck 96 ft wide.

Who owns Michelle Drive over El Modena Irvine Channel?

It is owned by the City or Municipal Highway Agency.