US Bridges

State Route 134 WB over Arbor Dell Hillmont Uc

Fair

Los Angeles County, California · 07-LA-134-R10.97-LA · Structure no. 53 2026L

Built
1971
54 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
1,192 ft
5 main spans
Daily traffic
223,000
2020 count
Owner
State
State Highway Agency

About this bridge

State Route 134 WB over Arbor Dell Hillmont Uc is a prestressed concrete continuous box beam or girders - multiple carrying State Route 134 WB over Arbor Dell Hillmont Uc in Los Angeles County, California. It was built in 1971, so it is 54 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 223,000 vehicles a day, roughly 3% of them trucks, projected to reach 277,588 by 2046. The structure is 1,192 ft (363.3 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 134 WB
CrossesArbor Dell Hillmont Uc
Location07-LA-134-R10.97-LA
RouteState Highway 134
Coordinates34.14645, -118.19296
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionJanuary 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating47.8 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5 (+4 approach)
Design loadHS 20
Structure length1,192 ft (363.3 m)
Longest span177 ft (53.9 m)
Deck width70 ft (21.3 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic223,000 (2020)
Projected traffic277,588 by 2046
Trucks3%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free 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 State Route 134 WB over Arbor Dell Hillmont Uc built?

It was built in 1971, making it 54 years old in 2025.

What condition is State Route 134 WB over Arbor Dell Hillmont Uc 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 January 2024.

How much traffic does State Route 134 WB over Arbor Dell Hillmont Uc carry?

About 223,000 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is State Route 134 WB over Arbor Dell Hillmont Uc?

The structure is 1,192 ft (363.3 m) long with a longest span of 177 ft (53.9 m) and a deck 70 ft wide.

Who owns State Route 134 WB over Arbor Dell Hillmont Uc?

It is owned by the State Highway Agency.