US Bridges

Highland Ave over Brea Creek Channel

Good

Orange County, California · 50 N/O Chapman Ave · Structure no. 55C0227

Built
1922
103 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete
Length
39 ft
1 main span
Daily traffic
8,500
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Highland Ave over Brea Creek Channel is a concrete slab carrying Highland Ave over Brea Creek Channel in Orange County, California. It was built in 1922, so it is 103 years old, older 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 8,500 vehicles a day, roughly 1% of them trucks, projected to reach 8,500 by 2041. The structure is 39 ft (11.9 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHighland Ave
CrossesBrea Creek Channel
Location50 N/O Chapman Ave
RouteCity Street 0
Coordinates33.87397, -117.92866
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.9 US tons
Inventory rating16.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span37 ft (11.3 m)
Deck width41 ft (12.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,500 (2018)
Projected traffic8,500 by 2041
Trucks1%
Lanes on structure2
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 Highland Ave over Brea Creek Channel built?

It was built in 1922, making it 103 years old in 2025.

What condition is Highland Ave over Brea Creek 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 September 2023.

How much traffic does Highland Ave over Brea Creek Channel carry?

About 8,500 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Highland Ave over Brea Creek Channel?

The structure is 39 ft (11.9 m) long with a longest span of 37 ft (11.3 m) and a deck 41 ft wide.

Who owns Highland Ave over Brea Creek Channel?

It is owned by the City or Municipal Highway Agency.