US Bridges

Slauson Ave over LA Cienega Blvd Uc

Fair

Los Angeles County, California · 0.7MI N/O Centinela Ave · Structure no. 53C0548

Built
1949
76 years old, rebuilt 1989
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete Continuous
Length
150 ft
3 main spans
Daily traffic
39,269
2014 count
Owner
County
County Highway Agency

About this bridge

Slauson Ave over LA Cienega Blvd Uc is a concrete continuous tee beam carrying Slauson Ave over LA Cienega Blvd Uc in Los Angeles County, California. It was built in 1949 and reconstructed in 1989, so it is 76 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 6 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 39,269 vehicles a day, roughly 2% of them trucks, projected to reach 47,123 by 2044. The structure is 150 ft (45.7 m) long and 106 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSlauson Ave
CrossesLA Cienega Blvd Uc
Location0.7MI N/O Centinela Ave
RouteCounty Highway 0L125
Coordinates33.98766, -118.37072
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span95 ft (29 m)
Deck width106 ft (32.4 m)
Roadway width94 ft (28.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,269 (2014)
Projected traffic47,123 by 2044
Trucks2%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Slauson Ave over LA Cienega Blvd Uc built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1989.

What condition is Slauson Ave over LA Cienega Blvd Uc 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 August 2024.

How much traffic does Slauson Ave over LA Cienega Blvd Uc carry?

About 39,269 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is Slauson Ave over LA Cienega Blvd Uc?

The structure is 150 ft (45.7 m) long with a longest span of 95 ft (29 m) and a deck 106 ft wide.

Who owns Slauson Ave over LA Cienega Blvd Uc?

It is owned by the County Highway Agency.