US Bridges

Spring Street over Interstate 605

Fair

Los Angeles County, California · 07-LA-605-R0.29-LBCH · Structure no. 53 1723

Built
1965
60 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
254 ft
4 main spans
Daily traffic
16,700
2021 count
Owner
State
State Highway Agency

About this bridge

Spring Street over Interstate 605 is a concrete continuous box beam or girders - multiple carrying Spring Street over Interstate 605 in Los Angeles County, California. It was built in 1965, so it is 60 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 16,700 vehicles a day, roughly 2% of them trucks, projected to reach 22,668 by 2042. The structure is 254 ft (77.5 m) long and 91 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSpring Street
CrossesInterstate 605
Location07-LA-605-R0.29-LBCH
RouteCity Street 0L059
Coordinates33.81029, -118.08183
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
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 inspectionJune 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 alignment9: Superior to present desirable criteria
Operating rating33.2 US tons
Inventory rating25.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length254 ft (77.5 m)
Longest span96 ft (29.2 m)
Deck width91 ft (27.7 m)
Roadway width72 ft (21.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,700 (2021)
Projected traffic22,668 by 2042
Trucks2%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 Spring Street over Interstate 605 built?

It was built in 1965, making it 60 years old in 2025.

What condition is Spring Street over Interstate 605 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 June 2023.

How much traffic does Spring Street over Interstate 605 carry?

About 16,700 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Spring Street over Interstate 605?

The structure is 254 ft (77.5 m) long with a longest span of 96 ft (29.2 m) and a deck 91 ft wide.

Who owns Spring Street over Interstate 605?

It is owned by the State Highway Agency.