US Bridges

Warner Avenue over Bolsa Chica Beach Chanel

Good

Orange County, California · 0.2 MI E/O Route 1 · Structure no. 55C0417

Built
1981
44 years old
Condition
Good
inspected September 2023
Type
Slab
Prestressed Concrete
Length
90 ft
3 main spans
Daily traffic
24,000
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Warner Avenue over Bolsa Chica Beach Chanel is a prestressed concrete slab carrying Warner Avenue over Bolsa Chica Beach Chanel in Orange County, California. It was built in 1981, so it is 44 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 24,000 vehicles a day, roughly 1% of them trucks, projected to reach 29,729 by 2040. The structure is 90 ft (27.4 m) long and 81 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesWarner Avenue
CrossesBolsa Chica Beach Chanel
Location0.2 MI E/O Route 1
RouteCity Street 0
CountyOrange County
StateCalifornia
Coordinates33.71157, -118.06045
Functional classUrban Other Principal Arterial

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 48 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 geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.7 US tons
Inventory rating15 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width81 ft (24.7 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,000 (2018)
Projected traffic29,729 by 2040
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.1 mi (13 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 Warner Avenue over Bolsa Chica Beach Chanel built?

It was built in 1981, making it 44 years old in 2025.

What condition is Warner Avenue over Bolsa Chica Beach Chanel 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 Warner Avenue over Bolsa Chica Beach Chanel carry?

About 24,000 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Warner Avenue over Bolsa Chica Beach Chanel?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 81 ft wide.

Who owns Warner Avenue over Bolsa Chica Beach Chanel?

It is owned by the City or Municipal Highway Agency.