US Bridges

Irvine Center DR over Marshburn Channel

Good

Orange County, California · 0.3 MI Se/O Sand Canyon · Structure no. 55C0594

Built
1991
34 years old
Condition
Good
inspected September 2022
Type
Slab
Concrete
Length
45 ft
1 main span
Daily traffic
15,300
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Irvine Center DR over Marshburn Channel is a concrete slab carrying Irvine Center DR over Marshburn Channel in Orange County, California. It was built in 1991, so it is 34 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 15,300 vehicles a day, roughly 7% of them trucks, projected to reach 20,500 by 2040. The structure is 45 ft (13.7 m) long and 126 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIrvine Center DR
CrossesMarshburn Channel
Location0.3 MI Se/O Sand Canyon
RouteCity Street 0
CountyOrange County
StateCalifornia
Coordinates33.66779, -117.76224
Functional classUrban Other Principal Arterial

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 inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span44 ft (13.4 m)
Deck width126 ft (38.4 m)
Roadway width89 ft (27 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,300 (2018)
Projected traffic20,500 by 2040
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Irvine Center DR over Marshburn Channel built?

It was built in 1991, making it 34 years old in 2025.

What condition is Irvine Center DR over Marshburn 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 September 2022.

How much traffic does Irvine Center DR over Marshburn Channel carry?

About 15,300 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Irvine Center DR over Marshburn Channel?

The structure is 45 ft (13.7 m) long with a longest span of 44 ft (13.4 m) and a deck 126 ft wide.

Who owns Irvine Center DR over Marshburn Channel?

It is owned by the City or Municipal Highway Agency.