US Bridges

7th Street over Interstate 5 NB

Fair

Los Angeles County, California · 07-LA-005-16.90-LA · Structure no. 53 1366R

Built
1960
65 years old
Condition
Fair
inspected February 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
90 ft
1 main span
Daily traffic
16,626
2020 count
Owner
State
State Highway Agency

About this bridge

7th Street over Interstate 5 NB is a concrete box beam or girders - multiple carrying 7th Street over Interstate 5 NB 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 16,626 vehicles a day, roughly 8% of them trucks, projected to reach 25,360 by 2045. The structure is 90 ft (27.4 m) long and 72 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries7th Street
CrossesInterstate 5 NB
Location07-LA-005-16.90-LA
RouteCounty Highway 0L278
Coordinates34.03358, -118.22006
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating38.3 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span86 ft (26.2 m)
Deck width72 ft (22 m)
Roadway width58 ft (17.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,626 (2020)
Projected traffic25,360 by 2045
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 7th Street over Interstate 5 NB built?

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

What condition is 7th Street over Interstate 5 NB 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 7th Street over Interstate 5 NB carry?

About 16,626 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is 7th Street over Interstate 5 NB?

The structure is 90 ft (27.4 m) long with a longest span of 86 ft (26.2 m) and a deck 72 ft wide.

Who owns 7th Street over Interstate 5 NB?

It is owned by the State Highway Agency.