US Bridges

N605-E&W91 Conn over Artesia Blvd

Good

Los Angeles County, California · 07-LA-605-R4.78-CRTS · Structure no. 53 1735G

Built
1966
59 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
178 ft
2 main spans
Daily traffic
43,475
2021 count
Owner
State
State Highway Agency

About this bridge

N605-E&W91 Conn over Artesia Blvd is a concrete continuous box beam or girders - multiple carrying N605-E&W91 Conn over Artesia Blvd 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 43,475 vehicles a day, roughly 2% of them trucks, projected to reach 50,464 by 2042. The structure is 178 ft (54.3 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN605-E&W91 Conn
CrossesArtesia Blvd
Location07-LA-605-R4.78-CRTS
RouteInterstate 605
Coordinates33.87269, -118.10078
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length178 ft (54.3 m)
Longest span90 ft (27.4 m)
Deck width38 ft (11.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43,475 (2021)
Projected traffic50,464 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 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 N605-E&W91 Conn over Artesia Blvd built?

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

What condition is N605-E&W91 Conn over Artesia Blvd 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 June 2023.

How much traffic does N605-E&W91 Conn over Artesia Blvd carry?

About 43,475 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is N605-E&W91 Conn over Artesia Blvd?

The structure is 178 ft (54.3 m) long with a longest span of 90 ft (27.4 m) and a deck 38 ft wide.

Who owns N605-E&W91 Conn over Artesia Blvd?

It is owned by the State Highway Agency.