US Bridges

EB10-LA Cienega Bl over Garth Ave

Good

Los Angeles County, California · 07-LA-010-R8.65-LA · Structure no. 53 1608S

Built
1964
61 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
126 ft
3 main spans
Daily traffic
4,200
2022 count
Owner
State
State Highway Agency

About this bridge

EB10-LA Cienega Bl over Garth Ave is a concrete continuous box beam or girders - multiple carrying EB10-LA Cienega Bl over Garth Ave in Los Angeles County, California. It was built in 1964, so it is 61 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 4,200 vehicles a day, roughly 2% of them trucks, projected to reach 5,273 by 2046. The structure is 126 ft (38.4 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesEB10-LA Cienega Bl
CrossesGarth Ave
Location07-LA-010-R8.65-LA
RouteInterstate 10
Coordinates34.03623, -118.38082
Functional classUrban Principal Arterial - Interstate

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.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating42.1 US tons
Inventory rating32.5 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length126 ft (38.4 m)
Longest span63 ft (19.2 m)
Deck width26 ft (8 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2022)
Projected traffic5,273 by 2046
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 EB10-LA Cienega Bl over Garth Ave built?

It was built in 1964, making it 61 years old in 2025.

What condition is EB10-LA Cienega Bl over Garth Ave 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 June 2024.

How much traffic does EB10-LA Cienega Bl over Garth Ave carry?

About 4,200 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is EB10-LA Cienega Bl over Garth Ave?

The structure is 126 ft (38.4 m) long with a longest span of 63 ft (19.2 m) and a deck 26 ft wide.

Who owns EB10-LA Cienega Bl over Garth Ave?

It is owned by the State Highway Agency.