US Bridges

Jamboree Road over Barranca Channel

Good

Orange County, California · 0.2 MI N of Main ST · Structure no. 55C0472

Built
1975
50 years old, rebuilt 2006
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
61,300
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Jamboree Road over Barranca Channel is a concrete culvert carrying Jamboree Road over Barranca Channel in Orange County, California. It was built in 1975 and reconstructed in 2006, so it is 50 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 61,300 vehicles a day, roughly 7% of them trucks, projected to reach 74,502 by 2041. The structure is 25 ft (7.6 m) long and 135 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesJamboree Road
CrossesBarranca Channel
Location0.2 MI N of Main ST
RouteCity Street 0
Coordinates33.6822, -117.83803
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
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 typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width135 ft (41.3 m)
Roadway width108 ft (32.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic61,300 (2018)
Projected traffic74,502 by 2041
Trucks7%
Lanes on structure9
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 Jamboree Road over Barranca Channel built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2006.

What condition is Jamboree Road over Barranca 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 2024.

How much traffic does Jamboree Road over Barranca Channel carry?

About 61,300 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Jamboree Road over Barranca Channel?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 135 ft wide.

Who owns Jamboree Road over Barranca Channel?

It is owned by the City or Municipal Highway Agency.