US Bridges

Main Street over Barranca Channel

Good

Orange County, California · 0.3 MI E/O Jamboree RD · Structure no. 55C0514

Built
1975
50 years old
Condition
Good
inspected August 2022
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
12,900
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Main Street over Barranca Channel is a concrete culvert carrying Main Street over Barranca Channel in Orange County, California. It was built in 1975, 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 12,900 vehicles a day, roughly 7% of them trucks, projected to reach 24,139 by 2040. The structure is 29 ft (8.8 m) long and 96 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMain Street
CrossesBarranca Channel
Location0.3 MI E/O Jamboree RD
RouteCity Street 0
Coordinates33.6788, -117.83573
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
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span13 ft (3.9 m)
Deck width96 ft (29.2 m)
Roadway width77 ft (23.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,900 (2018)
Projected traffic24,139 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 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 Main Street over Barranca Channel built?

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

What condition is Main Street 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 2022.

How much traffic does Main Street over Barranca Channel carry?

About 12,900 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Main Street over Barranca Channel?

The structure is 29 ft (8.8 m) long with a longest span of 13 ft (3.9 m) and a deck 96 ft wide.

Who owns Main Street over Barranca Channel?

It is owned by the City or Municipal Highway Agency.