US Bridges

Interstate 10 over Westwood Blvd

Fair

Los Angeles County, California · 07-LA-010-R6.12-LA · Structure no. 53 1617

Built
1963
62 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
110 ft
1 main span
Daily traffic
258,000
2022 count
Owner
State
State Highway Agency

About this bridge

Interstate 10 over Westwood Blvd is a concrete box beam or girders - multiple carrying Interstate 10 over Westwood Blvd in Los Angeles County, California. It was built in 1963, so it is 62 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 258,000 vehicles a day, roughly 4% of them trucks, projected to reach 277,191 by 2042. The structure is 110 ft (33.6 m) long and 148 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesInterstate 10
CrossesWestwood Blvd
Location07-LA-010-R6.12-LA
RouteInterstate 10
CountyLos Angeles County
StateCalifornia
Coordinates34.03158, -118.42194
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.
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 geometry6: Equal to present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating55.7 US tons
Inventory rating40 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length110 ft (33.6 m)
Longest span110 ft (33.6 m)
Deck width148 ft (45.1 m)
Roadway width140 ft (42.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic258,000 (2022)
Projected traffic277,191 by 2042
Trucks4%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Interstate 10 over Westwood Blvd built?

It was built in 1963, making it 62 years old in 2025.

What condition is Interstate 10 over Westwood Blvd 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 Interstate 10 over Westwood Blvd carry?

About 258,000 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Interstate 10 over Westwood Blvd?

The structure is 110 ft (33.6 m) long with a longest span of 110 ft (33.6 m) and a deck 148 ft wide.

Who owns Interstate 10 over Westwood Blvd?

It is owned by the State Highway Agency.