US Bridges

Western Ave over Route 105 & Lrt

Fair

Los Angeles County, California · 07-LA-105-R5.74 · Structure no. 53 2524

Built
1988
37 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
471 ft
4 main spans
Daily traffic
21,175
2016 count
Owner
State
State Highway Agency

About this bridge

Western Ave over Route 105 & Lrt is a prestressed concrete continuous box beam or girders - multiple carrying Western Ave over Route 105 & Lrt in Los Angeles County, California. It was built in 1988, so it is 37 years old, younger 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 5 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 21,175 vehicles a day, roughly 1% of them trucks, projected to reach 24,006 by 2042. The structure is 471 ft (143.7 m) long and 98 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWestern Ave
CrossesRoute 105 & Lrt
Location07-LA-105-R5.74
RouteCounty Highway 0L005
Coordinates33.92603, -118.30924
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length471 ft (143.7 m)
Longest span145 ft (44.2 m)
Deck width98 ft (29.9 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,175 (2016)
Projected traffic24,006 by 2042
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible 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 Route 105 & Lrt built?

It was built in 1988, making it 37 years old in 2025.

What condition is Western Ave over Route 105 & Lrt 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 May 2024.

How much traffic does Western Ave over Route 105 & Lrt carry?

About 21,175 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Western Ave over Route 105 & Lrt?

The structure is 471 ft (143.7 m) long with a longest span of 145 ft (44.2 m) and a deck 98 ft wide.

Who owns Western Ave over Route 105 & Lrt?

It is owned by the State Highway Agency.