US Bridges

Cherry Ave Off Rmp over Route 405 NB On-Ramp

Good

Los Angeles County, California · 07-LA-405-5.01-LBCH · Structure no. 53 1573K

Built
1964
61 years old
Condition
Good
inspected January 2025
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
310 ft
4 main spans
Daily traffic
4,821
2022 count
Owner
State
State Highway Agency

About this bridge

Cherry Ave Off Rmp over Route 405 NB On-Ramp is a concrete continuous box beam or girders - multiple carrying Cherry Ave Off Rmp over Route 405 NB On-Ramp in Los Angeles County, California. It was built in 1964, so it is 61 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 4,821 vehicles a day, roughly 5% of them trucks, projected to reach 5,732 by 2045. The structure is 310 ft (94.5 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCherry Ave Off Rmp
CrossesRoute 405 NB On-Ramp
Location07-LA-405-5.01-LBCH
RouteInterstate 405
Coordinates33.81375, -118.16937
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.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length310 ft (94.5 m)
Longest span95 ft (29 m)
Deck width26 ft (8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,821 (2022)
Projected traffic5,732 by 2045
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Cherry Ave Off Rmp over Route 405 NB On-Ramp built?

It was built in 1964, making it 61 years old in 2025.

What condition is Cherry Ave Off Rmp over Route 405 NB On-Ramp 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 January 2025.

How much traffic does Cherry Ave Off Rmp over Route 405 NB On-Ramp carry?

About 4,821 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Cherry Ave Off Rmp over Route 405 NB On-Ramp?

The structure is 310 ft (94.5 m) long with a longest span of 95 ft (29 m) and a deck 26 ft wide.

Who owns Cherry Ave Off Rmp over Route 405 NB On-Ramp?

It is owned by the State Highway Agency.