US Bridges

Brea Canyon Blvd. over Brea Canyon Channel

Fair

Orange County, California · 0.4 MI N/O Central Avenue · Structure no. 55C0121

Built
1929
96 years old, rebuilt 1938
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
30 ft
2 main spans
Daily traffic
20,709
2018 count
Owner
County
County Highway Agency

About this bridge

Brea Canyon Blvd. over Brea Canyon Channel is a concrete slab carrying Brea Canyon Blvd. over Brea Canyon Channel in Orange County, California. It was built in 1929 and reconstructed in 1938, so it is 96 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 20,709 vehicles a day, roughly 2% of them trucks, projected to reach 43,781 by 2041. The structure is 30 ft (9.1 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBrea Canyon Blvd.
CrossesBrea Canyon Channel
Location0.4 MI N/O Central Avenue
RouteCounty Highway 0
Coordinates33.93785, -117.89162
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be 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 typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span14 ft (4.3 m)
Deck width56 ft (17.1 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,709 (2018)
Projected traffic43,781 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Brea Canyon Blvd. over Brea Canyon Channel built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1938.

What condition is Brea Canyon Blvd. over Brea Canyon Channel in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does Brea Canyon Blvd. over Brea Canyon Channel carry?

About 20,709 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is Brea Canyon Blvd. over Brea Canyon Channel?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.3 m) and a deck 56 ft wide.

Who owns Brea Canyon Blvd. over Brea Canyon Channel?

It is owned by the County Highway Agency.