US Bridges

Warner Ave over E Garden Gro-Wburg Ch

Good

Orange County, California · 0.2 MI W/O Springdale Ave · Structure no. 55C0109

Built
1960
65 years old, rebuilt 1967
Condition
Good
inspected September 2023
Type
Slab
Prestressed Concrete
Length
142 ft
4 main spans
Daily traffic
31,200
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Warner Ave over E Garden Gro-Wburg Ch is a prestressed concrete slab carrying Warner Ave over E Garden Gro-Wburg Ch in Orange County, California. It was built in 1960 and reconstructed in 1967, so it is 65 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 31,200 vehicles a day, roughly 1% of them trucks, projected to reach 32,914 by 2040. The structure is 142 ft (43.3 m) long and 116 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWarner Ave
CrossesE Garden Gro-Wburg Ch
Location0.2 MI W/O Springdale Ave
RouteCity Street 0
Coordinates33.71526, -118.02715
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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length142 ft (43.3 m)
Longest span34 ft (10.4 m)
Deck width116 ft (35.4 m)
Roadway width89 ft (27.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,200 (2019)
Projected traffic32,914 by 2040
Trucks1%
Lanes on structure6
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 Warner Ave over E Garden Gro-Wburg Ch built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1967.

What condition is Warner Ave over E Garden Gro-Wburg Ch 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 Ave over E Garden Gro-Wburg Ch carry?

About 31,200 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Warner Ave over E Garden Gro-Wburg Ch?

The structure is 142 ft (43.3 m) long with a longest span of 34 ft (10.4 m) and a deck 116 ft wide.

Who owns Warner Ave over E Garden Gro-Wburg Ch?

It is owned by the City or Municipal Highway Agency.