US Bridges

I-5 SB S5 to W10 over US 101 7th ST Onramp

Fair

Los Angeles County, California · 07-LA-005-16.90-LA · Structure no. 53 2644L

Built
1960
65 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
589 ft
6 main spans
Daily traffic
120,500
2019 count
Owner
State
State Highway Agency

About this bridge

I-5 SB S5 to W10 over US 101 7th ST Onramp is a steel stringer/multi-beam or girder carrying I-5 SB S5 to W10 over US 101 7th ST Onramp 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 fair condition with a lowest component rating of 5 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 120,500 vehicles a day, roughly 7% of them trucks, projected to reach 131,693 by 2041. The structure is 589 ft (179.5 m) long and 92 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI-5 SB S5 to W10
CrossesUS 101 7th ST Onramp
Location07-LA-005-16.90-LA
RouteInterstate 5
CountyLos Angeles County
StateCalifornia
Coordinates34.03354, -118.22187
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length589 ft (179.5 m)
Longest span146 ft (44.5 m)
Deck width92 ft (28 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120,500 (2019)
Projected traffic131,693 by 2041
Trucks7%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-5 SB S5 to W10 over US 101 7th ST Onramp built?

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

What condition is I-5 SB S5 to W10 over US 101 7th ST Onramp 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 February 2023.

How much traffic does I-5 SB S5 to W10 over US 101 7th ST Onramp carry?

About 120,500 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is I-5 SB S5 to W10 over US 101 7th ST Onramp?

The structure is 589 ft (179.5 m) long with a longest span of 146 ft (44.5 m) and a deck 92 ft wide.

Who owns I-5 SB S5 to W10 over US 101 7th ST Onramp?

It is owned by the State Highway Agency.