US Bridges

N605-N5 Connector over Route 5

Good

Los Angeles County, California · 07-LA-605-R9.52-SFSP · Structure no. 53 1657G

Built
1965
60 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
266 ft
2 main spans
Daily traffic
35,880
2021 count
Owner
State
State Highway Agency

About this bridge

N605-N5 Connector over Route 5 is a prestressed concrete stringer/multi-beam or girder carrying N605-N5 Connector over Route 5 in Los Angeles County, California. It was built in 1965, so it is 60 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 35,880 vehicles a day, roughly 2% of them trucks, projected to reach 42,377 by 2043. The structure is 266 ft (81 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN605-N5 Connector
CrossesRoute 5
Location07-LA-605-R9.52-SFSP
RouteInterstate 605
Coordinates33.93943, -118.09575
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating44.3 US tons
Inventory rating31.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length266 ft (81 m)
Longest span108 ft (33 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,880 (2021)
Projected traffic42,377 by 2043
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 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-N5 Connector over Route 5 built?

It was built in 1965, making it 60 years old in 2025.

What condition is N605-N5 Connector over Route 5 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 April 2023.

How much traffic does N605-N5 Connector over Route 5 carry?

About 35,880 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is N605-N5 Connector over Route 5?

The structure is 266 ft (81 m) long with a longest span of 108 ft (33 m) and a deck 34 ft wide.

Who owns N605-N5 Connector over Route 5?

It is owned by the State Highway Agency.