US Bridges

EB Prairie Off Ra over Route 105 & Lrt

Good

Los Angeles County, California · 07-LA-105-R3.32-HAW · Structure no. 53 2656S

Built
1993
32 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
624 ft
4 main spans
Daily traffic
8,400
2014 count
Owner
State
State Highway Agency

About this bridge

EB Prairie Off Ra over Route 105 & Lrt is a prestressed concrete continuous box beam or girders - multiple carrying EB Prairie Off Ra over Route 105 & Lrt 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 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 8,400 vehicles a day, roughly 2% of them trucks, projected to reach 9,619 by 2041. The structure is 624 ft (190.1 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesEB Prairie Off Ra
CrossesRoute 105 & Lrt
Location07-LA-105-R3.32-HAW
RouteInterstate 105
Coordinates33.93228, -118.34928
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 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length624 ft (190.1 m)
Longest span195 ft (59.3 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,400 (2014)
Projected traffic9,619 by 2041
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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 EB Prairie Off Ra over Route 105 & Lrt built?

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

What condition is EB Prairie Off Ra over Route 105 & Lrt 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 EB Prairie Off Ra over Route 105 & Lrt carry?

About 8,400 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is EB Prairie Off Ra over Route 105 & Lrt?

The structure is 624 ft (190.1 m) long with a longest span of 195 ft (59.3 m) and a deck 35 ft wide.

Who owns EB Prairie Off Ra over Route 105 & Lrt?

It is owned by the State Highway Agency.