US Bridges

STATE-N101 on Ramp over Embankment

Good

Los Angeles County, California · 07-LA-010-18.48-LA · Structure no. 53 1350K

Built
1960
65 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete Continuous
Length
279 ft
5 main spans
Daily traffic
3,990
2018 count
Owner
State
State Highway Agency

About this bridge

STATE-N101 on Ramp over Embankment is a concrete continuous slab carrying STATE-N101 on Ramp over Embankment in Los Angeles County, California. It was built in 1960, so it is 65 years old, older 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 3,990 vehicles a day, roughly 5% of them trucks, projected to reach 4,350 by 2042. The structure is 279 ft (85 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSTATE-N101 on Ramp
CrossesEmbankment
Location07-LA-010-18.48-LA
RouteInterstate 10
Coordinates34.05592, -118.21251
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length279 ft (85 m)
Longest span136 ft (41.5 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,990 (2018)
Projected traffic4,350 by 2042
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was STATE-N101 on Ramp over Embankment built?

It was built in 1960, making it 65 years old in 2025.

What condition is STATE-N101 on Ramp over Embankment 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 May 2024.

How much traffic does STATE-N101 on Ramp over Embankment carry?

About 3,990 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is STATE-N101 on Ramp over Embankment?

The structure is 279 ft (85 m) long with a longest span of 136 ft (41.5 m) and a deck 34 ft wide.

Who owns STATE-N101 on Ramp over Embankment?

It is owned by the State Highway Agency.