US Bridges

Route 105 & Lrt over UP RR

Good

Los Angeles County, California · 07-LA-105-R7.65-LA · Structure no. 53 2409

Built
1989
36 years old
Condition
Good
inspected April 2024
Type
Frame
Concrete
Length
770 ft
1 main span
Daily traffic
260,000
2022 count
Owner
State
State Highway Agency

About this bridge

Route 105 & Lrt over UP RR is a concrete frame carrying Route 105 & Lrt over UP RR in Los Angeles County, California. It was built in 1989, so it is 36 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 300,000 by 2042. The structure is 770 ft (234.7 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 105 & Lrt
CrossesUP RR
Location07-LA-105-R7.65-LA
RouteInterstate 105
Coordinates33.92903, -118.2755
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 inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length770 ft (234.7 m)
Longest span33 ft (10.1 m)
Deck width52 ft (15.7 m)
Roadway width52 ft (15.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260,000 (2022)
Projected traffic300,000 by 2042
Trucks5%
Lanes on structure12
Traffic directionTwo-way traffic
CarriesHighway and railroad
CrossesRailroad
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 UP RR built?

It was built in 1989, making it 36 years old in 2025.

What condition is Route 105 & Lrt over UP RR 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 April 2024.

How much traffic does Route 105 & Lrt over UP RR carry?

About 260,000 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Route 105 & Lrt over UP RR?

The structure is 770 ft (234.7 m) long with a longest span of 33 ft (10.1 m) and a deck 52 ft wide.

Who owns Route 105 & Lrt over UP RR?

It is owned by the State Highway Agency.