US Bridges

Riverside Drive over State Route 134

Fair

Los Angeles County, California · 07-LA-134-4.81-LA · Structure no. 53 1287

Built
1962
63 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
144 ft
2 main spans
Daily traffic
23,400
2017 count
Owner
State
State Highway Agency

About this bridge

Riverside Drive over State Route 134 is a concrete continuous box beam or girders - multiple carrying Riverside Drive over State Route 134 in Los Angeles County, California. It was built in 1962, so it is 63 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 23,400 vehicles a day, roughly 2% of them trucks, projected to reach 24,370 by 2040. The structure is 144 ft (43.9 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRiverside Drive
CrossesState Route 134
Location07-LA-134-4.81-LA
RouteCity Street 0
CountyLos Angeles County
StateCalifornia
Coordinates34.15554, -118.294
Functional classUrban Other Principal Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionOctober 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 rating45.3 US tons
Inventory rating35.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length144 ft (43.9 m)
Longest span69 ft (21 m)
Deck width60 ft (18.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,400 (2017)
Projected traffic24,370 by 2040
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Riverside Drive over State Route 134 built?

It was built in 1962, making it 63 years old in 2025.

What condition is Riverside Drive over State Route 134 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 October 2023.

How much traffic does Riverside Drive over State Route 134 carry?

About 23,400 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Riverside Drive over State Route 134?

The structure is 144 ft (43.9 m) long with a longest span of 69 ft (21 m) and a deck 60 ft wide.

Who owns Riverside Drive over State Route 134?

It is owned by the State Highway Agency.