US Bridges

17th Street over Interstate 10

Fair

Los Angeles County, California · 07-LA-010-R2.84-SMCA · Structure no. 53 1597

Built
1965
60 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
259 ft
4 main spans
Daily traffic
2,900
2016 count
Owner
State
State Highway Agency

About this bridge

17th Street over Interstate 10 is a concrete continuous box beam or girders - multiple carrying 17th Street over Interstate 10 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 2,900 vehicles a day, roughly 1% of them trucks, projected to reach 3,588 by 2042. The structure is 259 ft (79 m) long and 74 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries17th Street
CrossesInterstate 10
Location07-LA-010-R2.84-SMCA
RouteCity Street 0
Coordinates34.02123, -118.47674
Functional classUrban Collector

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 2024
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 geometry9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating41.1 US tons
Inventory rating31.4 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length259 ft (79 m)
Longest span84 ft (25.6 m)
Deck width74 ft (22.6 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2016)
Projected traffic3,588 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 17th Street over Interstate 10 built?

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

What condition is 17th Street over Interstate 10 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 2024.

How much traffic does 17th Street over Interstate 10 carry?

About 2,900 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is 17th Street over Interstate 10?

The structure is 259 ft (79 m) long with a longest span of 84 ft (25.6 m) and a deck 74 ft wide.

Who owns 17th Street over Interstate 10?

It is owned by the State Highway Agency.