US Bridges

Western Ave over U.S. Highway 101

Fair

Los Angeles County, California · 07-LA-101-5.81-LA · Structure no. 53 0676

Built
1950
75 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
242 ft
2 main spans
Daily traffic
48,000
2020 count
Owner
State
State Highway Agency

About this bridge

Western Ave over U.S. Highway 101 is a steel continuous stringer/multi-beam or girder carrying Western Ave over U.S. Highway 101 in Los Angeles County, California. It was built in 1950, so it is 75 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 48,000 vehicles a day, roughly 1% of them trucks, projected to reach 69,285 by 2042. The structure is 242 ft (73.8 m) long and 82 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesWestern Ave
CrossesU.S. Highway 101
Location07-LA-101-5.81-LA
RouteCity Street 0L005
CountyLos Angeles County
StateCalifornia
Coordinates34.09313, -118.30908
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating32.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length242 ft (73.8 m)
Longest span118 ft (36 m)
Deck width82 ft (24.9 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,000 (2020)
Projected traffic69,285 by 2042
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Western Ave over U.S. Highway 101 built?

It was built in 1950, making it 75 years old in 2025.

What condition is Western Ave over U.S. Highway 101 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 February 2024.

How much traffic does Western Ave over U.S. Highway 101 carry?

About 48,000 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Western Ave over U.S. Highway 101?

The structure is 242 ft (73.8 m) long with a longest span of 118 ft (36 m) and a deck 82 ft wide.

Who owns Western Ave over U.S. Highway 101?

It is owned by the State Highway Agency.