US Bridges

N605-S5 Connector over Florence Ave

Good

Los Angeles County, California · 07-LA-605-R9.35-DNY · Structure no. 53 1656G

Built
1965
60 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
172 ft
2 main spans
Daily traffic
23,000
2021 count
Owner
State
State Highway Agency

About this bridge

N605-S5 Connector over Florence Ave is a prestressed concrete stringer/multi-beam or girder carrying N605-S5 Connector over Florence Ave 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 23,000 vehicles a day, roughly 2% of them trucks, projected to reach 26,099 by 2043. The structure is 172 ft (52.5 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesN605-S5 Connector
CrossesFlorence Ave
Location07-LA-605-R9.35-DNY
RouteInterstate 605
CountyLos Angeles County
StateCalifornia
Coordinates33.93746, -118.09774
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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment9: Superior to present desirable criteria
Operating rating72.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length172 ft (52.5 m)
Longest span64 ft (19.5 m)
Deck width46 ft (14 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,000 (2021)
Projected traffic26,099 by 2043
Trucks2%
Lanes on structure3
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-S5 Connector over Florence Ave built?

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

What condition is N605-S5 Connector over Florence Ave 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-S5 Connector over Florence Ave carry?

About 23,000 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is N605-S5 Connector over Florence Ave?

The structure is 172 ft (52.5 m) long with a longest span of 64 ft (19.5 m) and a deck 46 ft wide.

Who owns N605-S5 Connector over Florence Ave?

It is owned by the State Highway Agency.