US Bridges

E105-N710 Conn over Route 105 710 & Lrt

Good

Los Angeles County, California · 07-LA-105-R13.14-LYN · Structure no. 53 2418G

Built
1990
35 years old, rebuilt 1991
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
2,543 ft
13 main spans
Daily traffic
217,000
2020 count
Owner
State
State Highway Agency

About this bridge

E105-N710 Conn over Route 105 710 & Lrt is a prestressed concrete continuous box beam or girders - multiple carrying E105-N710 Conn over Route 105 710 & Lrt in Los Angeles County, California. It was built in 1990 and reconstructed in 1991, so it is 35 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 217,000 vehicles a day, roughly 2% of them trucks, projected to reach 303,852 by 2041. The structure is 2,543 ft (775.1 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesE105-N710 Conn
CrossesRoute 105 710 & Lrt
Location07-LA-105-R13.14-LYN
RouteInterstate 105
Coordinates33.91422, -118.18559
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans13
Design loadHS 20 + Mod
Structure length2,543 ft (775.1 m)
Longest span236 ft (72 m)
Deck width38 ft (11.6 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deck16 ft (5 m)

Traffic and service

Average daily traffic217,000 (2020)
Projected traffic303,852 by 2041
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was E105-N710 Conn over Route 105 710 & Lrt built?

It was built in 1990, making it 35 years old in 2025. It was reconstructed in 1991.

What condition is E105-N710 Conn over Route 105 710 & Lrt 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 May 2024.

How much traffic does E105-N710 Conn over Route 105 710 & Lrt carry?

About 217,000 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is E105-N710 Conn over Route 105 710 & Lrt?

The structure is 2,543 ft (775.1 m) long with a longest span of 236 ft (72 m) and a deck 38 ft wide.

Who owns E105-N710 Conn over Route 105 710 & Lrt?

It is owned by the State Highway Agency.