US Bridges

SB 5 Onramp over Graded Earth

Fair

Los Angeles County, California · 07-LA-005-R2.33-NRW · Structure no. 53 3019K

Built
2016
9 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
272 ft
3 main spans
Daily traffic
5,400
2024 count
Owner
State
State Highway Agency

About this bridge

SB 5 Onramp over Graded Earth is a concrete continuous box beam or girders - multiple carrying SB 5 Onramp over Graded Earth in Los Angeles County, California. It was built in 2016, so it is 9 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 6 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 5,400 vehicles a day, roughly 5% of them trucks, projected to reach 7,560 by 2042. The structure is 272 ft (83 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSB 5 Onramp
CrossesGraded Earth
Location07-LA-005-R2.33-NRW
RouteInterstate 5
Coordinates33.89258, -118.0457
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 48 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 alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length272 ft (83 m)
Longest span108 ft (33 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,400 (2024)
Projected traffic7,560 by 2042
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed3.7 mi (6 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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SB 5 Onramp over Graded Earth built?

It was built in 2016, making it 9 years old in 2025.

What condition is SB 5 Onramp over Graded Earth 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 September 2024.

How much traffic does SB 5 Onramp over Graded Earth carry?

About 5,400 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is SB 5 Onramp over Graded Earth?

The structure is 272 ft (83 m) long with a longest span of 108 ft (33 m) and a deck 40 ft wide.

Who owns SB 5 Onramp over Graded Earth?

It is owned by the State Highway Agency.