US Bridges

W10 Busway over Wbd 10 & SB 710 Conn

Fair

Los Angeles County, California · 07-LA-010S-21.55-ALH · Structure no. 53 2541L

Built
1974
51 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
318 ft
2 main spans
Daily traffic
30,500
2016 count
Owner
State
State Highway Agency

About this bridge

W10 Busway over Wbd 10 & SB 710 Conn is a prestressed concrete continuous box beam or girders - multiple carrying W10 Busway over Wbd 10 & SB 710 Conn in Los Angeles County, California. It was built in 1974, so it is 51 years old, younger 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 30,500 vehicles a day, roughly 6% of them trucks, projected to reach 30,500 by 2040. The structure is 318 ft (96.8 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesW10 Busway
CrossesWbd 10 & SB 710 Conn
Location07-LA-010S-21.55-ALH
RouteInterstate 10
Coordinates34.06271, -118.16274
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.
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 rating70 US tons
Inventory rating51.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length318 ft (96.8 m)
Longest span173 ft (52.7 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,500 (2016)
Projected traffic30,500 by 2040
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll 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 W10 Busway over Wbd 10 & SB 710 Conn built?

It was built in 1974, making it 51 years old in 2025.

What condition is W10 Busway over Wbd 10 & SB 710 Conn 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 Wbd 10 & SB 710 Conn carry?

About 30,500 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is W10 Busway over Wbd 10 & SB 710 Conn?

The structure is 318 ft (96.8 m) long with a longest span of 173 ft (52.7 m) and a deck 28 ft wide.

Who owns W10 Busway over Wbd 10 & SB 710 Conn?

It is owned by the State Highway Agency.