US Bridges

White Oak Ave over Los Angeles River

Fair

Los Angeles County, California · 1.0 MI North of U.S. 101 · Structure no. 53C0473

Built
1960
65 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
221 ft
2 main spans
Daily traffic
39,549
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

White Oak Ave over Los Angeles River is a steel stringer/multi-beam or girder carrying White Oak Ave over Los Angeles River in Los Angeles County, California. It was built in 1960, so it is 65 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 39,549 vehicles a day, roughly 2% of them trucks, projected to reach 57,623 by 2040. The structure is 221 ft (67.4 m) long and 86 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWhite Oak Ave
CrossesLos Angeles River
Location1.0 MI North of U.S. 101
RouteCity Street 0
Coordinates34.18482, -118.51837
Functional classUrban Other Principal Arterial

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating59 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length221 ft (67.4 m)
Longest span109 ft (33.2 m)
Deck width86 ft (26.2 m)
Roadway width70 ft (21.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,549 (2018)
Projected traffic57,623 by 2040
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was White Oak Ave over Los Angeles River built?

It was built in 1960, making it 65 years old in 2025.

What condition is White Oak Ave over Los Angeles River 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 August 2023.

How much traffic does White Oak Ave over Los Angeles River carry?

About 39,549 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is White Oak Ave over Los Angeles River?

The structure is 221 ft (67.4 m) long with a longest span of 109 ft (33.2 m) and a deck 86 ft wide.

Who owns White Oak Ave over Los Angeles River?

It is owned by the City or Municipal Highway Agency.