US Bridges

E10-S57&N57 Conn over Kellogg DR

Good

Los Angeles County, California · 07-LA-010-42.10-POM · Structure no. 53 2008G

Built
1972
53 years old, rebuilt 2019
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
91 ft
1 main span
Daily traffic
8,200
2018 count
Owner
State
State Highway Agency

About this bridge

E10-S57&N57 Conn over Kellogg DR is a prestressed concrete box beam or girders - multiple carrying E10-S57&N57 Conn over Kellogg DR in Los Angeles County, California. It was built in 1972 and reconstructed in 2019, so it is 53 years old, younger 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 8,200 vehicles a day, roughly 2% of them trucks, projected to reach 8,724 by 2044. The structure is 91 ft (27.8 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesE10-S57&N57 Conn
CrossesKellogg DR
Location07-LA-010-42.10-POM
RouteInterstate 10
Coordinates34.06358, -117.81209
Functional classUrban Principal Arterial - Interstate

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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating20.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length91 ft (27.8 m)
Longest span91 ft (27.6 m)
Deck width38 ft (11.7 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,200 (2018)
Projected traffic8,724 by 2044
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 E10-S57&N57 Conn over Kellogg DR built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2019.

What condition is E10-S57&N57 Conn over Kellogg DR 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 January 2024.

How much traffic does E10-S57&N57 Conn over Kellogg DR carry?

About 8,200 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is E10-S57&N57 Conn over Kellogg DR?

The structure is 91 ft (27.8 m) long with a longest span of 91 ft (27.6 m) and a deck 38 ft wide.

Who owns E10-S57&N57 Conn over Kellogg DR?

It is owned by the State Highway Agency.