US Bridges

Hillcrest Blvd over Route 405

Fair

Los Angeles County, California · 07-LA-405-23.00-ING · Structure no. 53 1245

Built
1963
62 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
330 ft
6 main spans
Daily traffic
10,000
2022 count
Owner
State
State Highway Agency

About this bridge

Hillcrest Blvd over Route 405 is a concrete continuous box beam or girders - multiple carrying Hillcrest Blvd 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 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 10,000 vehicles a day, roughly 2% of them trucks, projected to reach 14,584 by 2044. The structure is 330 ft (100.6 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHillcrest Blvd
CrossesRoute 405
Location07-LA-405-23.00-ING
RouteCity Street 0Q704
Coordinates33.95627, -118.36995
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating42.1 US tons
Inventory rating32.5 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length330 ft (100.6 m)
Longest span85 ft (25.9 m)
Deck width50 ft (15.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2022)
Projected traffic14,584 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 Hillcrest Blvd over Route 405 built?

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

What condition is Hillcrest Blvd over Route 405 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 January 2025.

How much traffic does Hillcrest Blvd over Route 405 carry?

About 10,000 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Hillcrest Blvd over Route 405?

The structure is 330 ft (100.6 m) long with a longest span of 85 ft (25.9 m) and a deck 50 ft wide.

Who owns Hillcrest Blvd over Route 405?

It is owned by the State Highway Agency.