US Bridges

Interstate 10 WB over Baldwin Ave

Fair

Los Angeles County, California · 07-LA-010-27.96-EMTE · Structure no. 53 1021L

Built
1958
67 years old, rebuilt 1972
Condition
Fair
inspected February 2025
Type
Tee Beam
Concrete
Length
81 ft
1 main span
Daily traffic
100,500
2021 count
Owner
State
State Highway Agency

About this bridge

Interstate 10 WB over Baldwin Ave is a concrete tee beam carrying Interstate 10 WB over Baldwin Ave in Los Angeles County, California. It was built in 1958 and reconstructed in 1972, so it is 67 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 100,500 vehicles a day, roughly 6% of them trucks, projected to reach 146,926 by 2044. The structure is 81 ft (24.7 m) long and 115 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 10 WB
CrossesBaldwin Ave
Location07-LA-010-27.96-EMTE
RouteInterstate 10
Coordinates34.07255, -118.05374
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
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 alignment8: Equal to present desirable criteria
Operating rating38.6 US tons
Inventory rating29.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length81 ft (24.7 m)
Longest span77 ft (23.5 m)
Deck width115 ft (35.1 m)
Roadway width112 ft (34.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100,500 (2021)
Projected traffic146,926 by 2044
Trucks6%
Lanes on structure6
Traffic directionOne-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 WB over Baldwin Ave built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1972.

What condition is Interstate 10 WB over Baldwin Ave 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 2025.

How much traffic does Interstate 10 WB over Baldwin Ave carry?

About 100,500 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Interstate 10 WB over Baldwin Ave?

The structure is 81 ft (24.7 m) long with a longest span of 77 ft (23.5 m) and a deck 115 ft wide.

Who owns Interstate 10 WB over Baldwin Ave?

It is owned by the State Highway Agency.