US Bridges

FLORENCE-N5 on Rmp over N5-N&S605 Connector Ramp

Fair

Los Angeles County, California · 07-LA-005-6.65-SFSP · Structure no. 53 1658S

Built
1965
60 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
262 ft
3 main spans
Daily traffic
857
2022 count
Owner
State
State Highway Agency

About this bridge

FLORENCE-N5 on Rmp over N5-N&S605 Connector Ramp is a concrete continuous box beam or girders - multiple carrying FLORENCE-N5 on Rmp over N5-N&S605 Connector Ramp 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 857 vehicles a day, roughly 4% of them trucks, projected to reach 2,130 by 2046. The structure is 262 ft (79.9 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFLORENCE-N5 on Rmp
CrossesN5-N&S605 Connector Ramp
Location07-LA-005-6.65-SFSP
RouteInterstate 5
Coordinates33.93857, -118.09407
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating30.3 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length262 ft (79.9 m)
Longest span106 ft (32.3 m)
Deck width33 ft (10 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic857 (2022)
Projected traffic2,130 by 2046
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FLORENCE-N5 on Rmp over N5-N&S605 Connector Ramp built?

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

What condition is FLORENCE-N5 on Rmp over N5-N&S605 Connector Ramp in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does FLORENCE-N5 on Rmp over N5-N&S605 Connector Ramp carry?

About 857 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is FLORENCE-N5 on Rmp over N5-N&S605 Connector Ramp?

The structure is 262 ft (79.9 m) long with a longest span of 106 ft (32.3 m) and a deck 33 ft wide.

Who owns FLORENCE-N5 on Rmp over N5-N&S605 Connector Ramp?

It is owned by the State Highway Agency.