US Bridges

Route 105 & Lrt over Yukon Avenue

Fair

Los Angeles County, California · 07-LA-105-R4.23-ING · Structure no. 53 2598

Built
1993
32 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
120 ft
1 main span
Daily traffic
107,100
2014 count
Owner
State
State Highway Agency

About this bridge

Route 105 & Lrt over Yukon Avenue is a prestressed concrete box beam or girders - multiple carrying Route 105 & Lrt over Yukon Avenue in Los Angeles County, California. It was built in 1993, so it is 32 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 107,100 vehicles a day, roughly 4% of them trucks, projected to reach 256,839 by 2042. The structure is 120 ft (36.6 m) long and 206 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 105 & Lrt
CrossesYukon Avenue
Location07-LA-105-R4.23-ING
RouteInterstate 105
Coordinates33.9248, -118.33538
Functional classUrban Principal Arterial - Interstate

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length120 ft (36.6 m)
Longest span120 ft (36.6 m)
Deck width206 ft (62.8 m)
Roadway width166 ft (50.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic107,100 (2014)
Projected traffic256,839 by 2042
Trucks4%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway and railroad
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 statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route 105 & Lrt over Yukon Avenue built?

It was built in 1993, making it 32 years old in 2025.

What condition is Route 105 & Lrt over Yukon Avenue 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 Route 105 & Lrt over Yukon Avenue carry?

About 107,100 vehicles per day (2014 count), of which roughly 4% are trucks.

How long is Route 105 & Lrt over Yukon Avenue?

The structure is 120 ft (36.6 m) long with a longest span of 120 ft (36.6 m) and a deck 206 ft wide.

Who owns Route 105 & Lrt over Yukon Avenue?

It is owned by the State Highway Agency.