US Bridges

Barranca Parkway over Barranca Channel

Poor

Orange County, California · 0.4 MI N/W Jamboree RD · Structure no. 55C0475

Built
1975
50 years old
Condition
Poor
inspected August 2024
Type
Culvert
Concrete
Length
37 ft
2 main spans
Daily traffic
31,500
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Barranca Parkway over Barranca Channel is a concrete culvert carrying Barranca Parkway 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 31,500 vehicles a day, roughly 7% of them trucks, projected to reach 49,734 by 2041. The structure is 37 ft (11.3 m) long and 175 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBarranca Parkway
CrossesBarranca Channel
Location0.4 MI N/W Jamboree RD
RouteCity Street 0
Coordinates33.69764, -117.83224
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length37 ft (11.3 m)
Longest span17 ft (5.3 m)
Deck width175 ft (53.2 m)
Roadway width130 ft (39.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,500 (2018)
Projected traffic49,734 by 2041
Trucks7%
Lanes on structure7
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$750,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Barranca Parkway over Barranca Channel built?

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

What condition is Barranca Parkway over Barranca Channel in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Barranca Parkway over Barranca Channel carry?

About 31,500 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Barranca Parkway over Barranca Channel?

The structure is 37 ft (11.3 m) long with a longest span of 17 ft (5.3 m) and a deck 175 ft wide.

Who owns Barranca Parkway over Barranca Channel?

It is owned by the City or Municipal Highway Agency.