US Bridges

Route 105 & Lrt over Wright Road

Poor

Los Angeles County, California · 07-LA-105-R13.21-LYN · Structure no. 53 2453

Built
1993
32 years old
Condition
Poor
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
135 ft
1 main span
Daily traffic
217,000
2020 count
Owner
State
State Highway Agency

About this bridge

Route 105 & Lrt over Wright Road is a prestressed concrete box beam or girders - multiple carrying Route 105 & Lrt over Wright Road 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 217,000 vehicles a day, roughly 7% of them trucks, projected to reach 303,852 by 2041. The structure is 135 ft (41 m) long and 176 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 105 & Lrt
CrossesWright Road
Location07-LA-105-R13.21-LYN
RouteInterstate 105
Coordinates33.91418, -118.18477
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, 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 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
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length135 ft (41 m)
Longest span135 ft (41 m)
Deck width176 ft (53.6 m)
Roadway width142 ft (43.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic217,000 (2020)
Projected traffic303,852 by 2041
Trucks7%
Lanes on structure8
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 Wright Road built?

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

What condition is Route 105 & Lrt over Wright Road in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does Route 105 & Lrt over Wright Road carry?

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

How long is Route 105 & Lrt over Wright Road?

The structure is 135 ft (41 m) long with a longest span of 135 ft (41 m) and a deck 176 ft wide.

Who owns Route 105 & Lrt over Wright Road?

It is owned by the State Highway Agency.