US Bridges

Route 105 & Lrt over Atlantic Ave

Fair

Los Angeles County, California · 07-LA-105-R12.88-LYN · Structure no. 53 2452

Built
1990
35 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
152 ft
1 main span
Daily traffic
217,000
2020 count
Owner
State
State Highway Agency

About this bridge

Route 105 & Lrt over Atlantic Ave is a prestressed concrete box beam or girders - multiple carrying Route 105 & Lrt over Atlantic Ave in Los Angeles County, California. It was built in 1990, so it is 35 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 217,000 vehicles a day, roughly 7% of them trucks, projected to reach 231,695 by 2044. The structure is 152 ft (46.2 m) long and 212 ft wide.

Location

Open in Google Maps
CarriesRoute 105 & Lrt
CrossesAtlantic Ave
Location07-LA-105-R12.88-LYN
RouteInterstate 105
CountyLos Angeles County
StateCalifornia
Coordinates33.91589, -118.1899
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating51.5 US tons
Inventory rating19.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length152 ft (46.2 m)
Longest span152 ft (46.2 m)
Deck width212 ft (64.6 m)
Roadway width178 ft (54.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic217,000 (2020)
Projected traffic231,695 by 2044
Trucks7%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway and railroad
CrossesHighway
Detour if closed—
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 Atlantic Ave built?

It was built in 1990, making it 35 years old in 2025.

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

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

How long is Route 105 & Lrt over Atlantic Ave?

The structure is 152 ft (46.2 m) long with a longest span of 152 ft (46.2 m) and a deck 212 ft wide.

Who owns Route 105 & Lrt over Atlantic Ave?

It is owned by the State Highway Agency.