US Bridges

Harbor Blvd over Brea Creek Channel

Fair

Orange County, California · 0.1 MI N/O Chapman Ave · Structure no. 55C0386

Built
1930
95 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Concrete
Length
31 ft
1 main span
Daily traffic
40,100
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Harbor Blvd over Brea Creek Channel is a concrete tee beam carrying Harbor Blvd over Brea Creek Channel in Orange County, California. It was built in 1930, so it is 95 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 40,100 vehicles a day, roughly 1% of them trucks, projected to reach 75,318 by 2042. The structure is 31 ft (9.4 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesHarbor Blvd
CrossesBrea Creek Channel
Location0.1 MI N/O Chapman Ave
RouteCity Street 0
CountyOrange County
StateCalifornia
Coordinates33.87507, -117.92422
Functional classUrban Other Principal 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.5 US tons
Inventory rating17.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width80 ft (24.4 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,100 (2018)
Projected traffic75,318 by 2042
Trucks1%
Lanes on structure5
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 Harbor Blvd over Brea Creek Channel built?

It was built in 1930, making it 95 years old in 2025.

What condition is Harbor Blvd over Brea Creek 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 February 2024.

How much traffic does Harbor Blvd over Brea Creek Channel carry?

About 40,100 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Harbor Blvd over Brea Creek Channel?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 80 ft wide.

Who owns Harbor Blvd over Brea Creek Channel?

It is owned by the City or Municipal Highway Agency.