US Bridges

Route 105 & Lrt over Harris Ave

Fair

Los Angeles County, California · 07-LA-105-R12.58-LYN · Structure no. 53 2497

Built
1987
38 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
217,000
2020 count
Owner
State
State Highway Agency

About this bridge

Route 105 & Lrt over Harris Ave is a prestressed concrete box beam or girders - multiple carrying Route 105 & Lrt over Harris Ave in Los Angeles County, California. It was built in 1987, so it is 38 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 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 217,000 vehicles a day, roughly 7% of them trucks, projected to reach 226,260 by 2042. The structure is 103 ft (31.5 m) long and 200 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 105 & Lrt
CrossesHarris Ave
Location07-LA-105-R12.58-LYN
RouteInterstate 105
Coordinates33.91794, -118.19484
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating63.2 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length103 ft (31.5 m)
Longest span103 ft (31.5 m)
Deck width200 ft (61 m)
Roadway width165 ft (50.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic217,000 (2020)
Projected traffic226,260 by 2042
Trucks7%
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 Harris Ave built?

It was built in 1987, making it 38 years old in 2025.

What condition is Route 105 & Lrt over Harris Ave 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 Harris Ave carry?

About 217,000 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Route 105 & Lrt over Harris Ave?

The structure is 103 ft (31.5 m) long with a longest span of 103 ft (31.5 m) and a deck 200 ft wide.

Who owns Route 105 & Lrt over Harris Ave?

It is owned by the State Highway Agency.