US Bridges

CENTRAL-E105 Onrmp over Compton Creek

Good

Los Angeles County, California · 07-LA-105-R8.99 · Structure no. 53 2483S

Built
1988
37 years old
Condition
Good
inspected June 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
9,300
2016 count
Owner
State
State Highway Agency

About this bridge

CENTRAL-E105 Onrmp over Compton Creek is a prestressed concrete box beam or girders - multiple carrying CENTRAL-E105 Onrmp over Compton Creek in Los Angeles County, California. It was built in 1988, so it is 37 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 9,300 vehicles a day, roughly 1% of them trucks, projected to reach 10,407 by 2042. The structure is 75 ft (22.8 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCENTRAL-E105 Onrmp
CrossesCompton Creek
Location07-LA-105-R8.99
RouteInterstate 105
Coordinates33.92777, -118.25296
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.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal 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 length75 ft (22.8 m)
Longest span75 ft (22.8 m)
Deck width48 ft (14.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,300 (2016)
Projected traffic10,407 by 2042
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was CENTRAL-E105 Onrmp over Compton Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is CENTRAL-E105 Onrmp over Compton Creek 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 June 2022.

How much traffic does CENTRAL-E105 Onrmp over Compton Creek carry?

About 9,300 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is CENTRAL-E105 Onrmp over Compton Creek?

The structure is 75 ft (22.8 m) long with a longest span of 75 ft (22.8 m) and a deck 48 ft wide.

Who owns CENTRAL-E105 Onrmp over Compton Creek?

It is owned by the State Highway Agency.