US Bridges

N605-W105 Conn over E105-N605 Connector

Good

Los Angeles County, California · 07-LA-605-R7.50-NRW · Structure no. 53 2700G

Built
1992
33 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
2,236 ft
13 main spans
Daily traffic
15,500
2021 count
Owner
State
State Highway Agency

About this bridge

N605-W105 Conn over E105-N605 Connector is a prestressed concrete continuous box beam or girders - multiple carrying N605-W105 Conn over E105-N605 Connector in Los Angeles County, California. It was built in 1992, so it is 33 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 15,500 vehicles a day, roughly 2% of them trucks, projected to reach 18,110 by 2042. The structure is 2,236 ft (681.6 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN605-W105 Conn
CrossesE105-N605 Connector
Location07-LA-605-R7.50-NRW
RouteInterstate 605
Coordinates33.91418, -118.10819
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
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 length2,236 ft (681.6 m)
Longest span206 ft (62.8 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deck19 ft (5.9 m)

Traffic and service

Average daily traffic15,500 (2021)
Projected traffic18,110 by 2042
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 N605-W105 Conn over E105-N605 Connector built?

It was built in 1992, making it 33 years old in 2025.

What condition is N605-W105 Conn over E105-N605 Connector 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 August 2023.

How much traffic does N605-W105 Conn over E105-N605 Connector carry?

About 15,500 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is N605-W105 Conn over E105-N605 Connector?

The structure is 2,236 ft (681.6 m) long with a longest span of 206 ft (62.8 m) and a deck 42 ft wide.

Who owns N605-W105 Conn over E105-N605 Connector?

It is owned by the State Highway Agency.