US Bridges

Studebaker RD over Route 22

Good

Los Angeles County, California · 07-LA-022-1.14-LBCH · Structure no. 53 1427

Built
1959
66 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
245 ft
2 main spans
Daily traffic
38,000
2015 count
Owner
State
State Highway Agency

About this bridge

Studebaker RD over Route 22 is a prestressed concrete continuous stringer/multi-beam or girder carrying Studebaker RD over Route 22 in Los Angeles County, California. It was built in 1959, so it is 66 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 38,000 vehicles a day, roughly 4% of them trucks, projected to reach 56,672 by 2041. The structure is 245 ft (74.8 m) long and 61 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesStudebaker RD
CrossesRoute 22
Location07-LA-022-1.14-LBCH
RouteCounty Highway 0L069
Coordinates33.77458, -118.1032
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 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 alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating25.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+3 approach)
Design loadHS 20
Structure length245 ft (74.8 m)
Longest span68 ft (20.8 m)
Deck width61 ft (18.5 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,000 (2015)
Projected traffic56,672 by 2041
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 Studebaker RD over Route 22 built?

It was built in 1959, making it 66 years old in 2025.

What condition is Studebaker RD over Route 22 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does Studebaker RD over Route 22 carry?

About 38,000 vehicles per day (2015 count), of which roughly 4% are trucks.

How long is Studebaker RD over Route 22?

The structure is 245 ft (74.8 m) long with a longest span of 68 ft (20.8 m) and a deck 61 ft wide.

Who owns Studebaker RD over Route 22?

It is owned by the State Highway Agency.