US Bridges

Studebaker RD S/B over S C Edison N Chan

Good

Los Angeles County, California · 350FT N/O Loynes Drive · Structure no. 53C0801L

Built
1966
59 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
145 ft
2 main spans
Daily traffic
48,767
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Studebaker RD S/B over S C Edison N Chan is a prestressed concrete stringer/multi-beam or girder carrying Studebaker RD S/B over S C Edison N Chan in Los Angeles County, California. It was built in 1966, so it is 59 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 48,767 vehicles a day, roughly 2% of them trucks, projected to reach 56,082 by 2044. The structure is 145 ft (44.2 m) long and 44 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesStudebaker RD S/B
CrossesS C Edison N Chan
Location350FT N/O Loynes Drive
RouteCity Street 0
Coordinates33.76789, -118.1032
Functional classUrban Other Principal 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating40.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length145 ft (44.2 m)
Longest span70 ft (21.3 m)
Deck width44 ft (13.4 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,767 (2019)
Projected traffic56,082 by 2044
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Studebaker RD S/B over S C Edison N Chan built?

It was built in 1966, making it 59 years old in 2025.

What condition is Studebaker RD S/B over S C Edison N Chan 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 November 2024.

How much traffic does Studebaker RD S/B over S C Edison N Chan carry?

About 48,767 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Studebaker RD S/B over S C Edison N Chan?

The structure is 145 ft (44.2 m) long with a longest span of 70 ft (21.3 m) and a deck 44 ft wide.

Who owns Studebaker RD S/B over S C Edison N Chan?

It is owned by the City or Municipal Highway Agency.