US Bridges

Route 105 & Lrt over Avalon Blvd

Good

Los Angeles County, California · 07-LA-105-R8.29-LA · Structure no. 53 2477

Built
1988
37 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
229 ft
3 main spans
Daily traffic
260,000
2024 count
Owner
State
State Highway Agency

About this bridge

Route 105 & Lrt over Avalon Blvd is a prestressed concrete continuous box beam or girders - multiple carrying Route 105 & Lrt over Avalon Blvd 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 260,000 vehicles a day, roughly 5% of them trucks, projected to reach 280,000 by 2042. The structure is 229 ft (69.8 m) long and 230 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 105 & Lrt
CrossesAvalon Blvd
Location07-LA-105-R8.29-LA
RouteInterstate 105
Coordinates33.9272, -118.26563
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length229 ft (69.8 m)
Longest span112 ft (34.1 m)
Deck width230 ft (70.1 m)
Roadway width176 ft (53.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260,000 (2024)
Projected traffic280,000 by 2042
Trucks5%
Lanes on structure11
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 Avalon Blvd built?

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

What condition is Route 105 & Lrt over Avalon Blvd in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Route 105 & Lrt over Avalon Blvd carry?

About 260,000 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Route 105 & Lrt over Avalon Blvd?

The structure is 229 ft (69.8 m) long with a longest span of 112 ft (34.1 m) and a deck 230 ft wide.

Who owns Route 105 & Lrt over Avalon Blvd?

It is owned by the State Highway Agency.