US Bridges

W10 Busway over Baldwin Ave

Fair

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

Built
1956
69 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
500
2014 count
Owner
State
State Highway Agency

About this bridge

W10 Busway over Baldwin Ave is a steel stringer/multi-beam or girder carrying W10 Busway over Baldwin Ave in Los Angeles County, California. It was built in 1956, so it is 69 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 500 vehicles a day, roughly 40% of them trucks, projected to reach 629 by 2040. The structure is 43 ft (13.1 m) long and 18 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesW10 Busway
CrossesBaldwin Ave
Location07-LA-010S-27.96-EMTE
RouteInterstate 10
CountyLos Angeles County
StateCalifornia
Coordinates34.07251, -118.05361
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 inspectionMay 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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating105.7 US tons
Inventory rating81.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length43 ft (13.1 m)
Longest span43 ft (13.1 m)
Deck width18 ft (5.4 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2014)
Projected traffic629 by 2040
Trucks40%
Lanes on structure1
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 W10 Busway over Baldwin Ave built?

It was built in 1956, making it 69 years old in 2025.

What condition is W10 Busway 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 May 2023.

How much traffic does W10 Busway over Baldwin Ave carry?

About 500 vehicles per day (2014 count), of which roughly 40% are trucks.

How long is W10 Busway over Baldwin Ave?

The structure is 43 ft (13.1 m) long with a longest span of 43 ft (13.1 m) and a deck 18 ft wide.

Who owns W10 Busway over Baldwin Ave?

It is owned by the State Highway Agency.