US Bridges

Arbor Vitae Street over Route 405

Good

Los Angeles County, California · 07-LA-405-22.40-ING · Structure no. 53 1244

Built
1963
62 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
412 ft
1 main span
Daily traffic
18,537
2022 count
Owner
State
State Highway Agency

About this bridge

Arbor Vitae Street over Route 405 is a prestressed concrete stringer/multi-beam or girder carrying Arbor Vitae Street over Route 405 in Los Angeles County, California. It was built in 1963, so it is 62 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 18,537 vehicles a day, roughly 2% of them trucks, projected to reach 23,967 by 2044. The structure is 412 ft (125.6 m) long and 78 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesArbor Vitae Street
CrossesRoute 405
Location07-LA-405-22.40-ING
RouteCity Street 0L666
Coordinates33.95259, -118.36996
Functional classUrban Local

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 inspectionJanuary 2025
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 alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating31.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+5 approach)
Design loadHS 20
Structure length412 ft (125.6 m)
Longest span102 ft (31.1 m)
Deck width78 ft (23.8 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,537 (2022)
Projected traffic23,967 by 2044
Trucks2%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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 Arbor Vitae Street over Route 405 built?

It was built in 1963, making it 62 years old in 2025.

What condition is Arbor Vitae Street over Route 405 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 Arbor Vitae Street over Route 405 carry?

About 18,537 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Arbor Vitae Street over Route 405?

The structure is 412 ft (125.6 m) long with a longest span of 102 ft (31.1 m) and a deck 78 ft wide.

Who owns Arbor Vitae Street over Route 405?

It is owned by the State Highway Agency.