US Bridges

Vanowen Street over Los Angeles River

Fair

Los Angeles County, California · 0.1 MI E Mason Ave · Structure no. 53C1362

Built
1958
67 years old, rebuilt 2015
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
280 ft
3 main spans
Daily traffic
27,741
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Vanowen Street over Los Angeles River is a prestressed concrete continuous stringer/multi-beam or girder carrying Vanowen Street over Los Angeles River in Los Angeles County, California. It was built in 1958 and reconstructed in 2015, so it is 67 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 27,741 vehicles a day, roughly 3% of them trucks, projected to reach 59,971 by 2043. The structure is 280 ft (85.3 m) long and 87 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesVanowen Street
CrossesLos Angeles River
Location0.1 MI E Mason Ave
RouteCity Street 0
Coordinates34.19369, -118.57865
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length280 ft (85.3 m)
Longest span93 ft (28.2 m)
Deck width87 ft (26.5 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,741 (2016)
Projected traffic59,971 by 2043
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Vanowen Street over Los Angeles River built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2015.

What condition is Vanowen Street 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 December 2023.

How much traffic does Vanowen Street over Los Angeles River carry?

About 27,741 vehicles per day (2016 count), of which roughly 3% are trucks.

How long is Vanowen Street over Los Angeles River?

The structure is 280 ft (85.3 m) long with a longest span of 93 ft (28.2 m) and a deck 87 ft wide.

Who owns Vanowen Street over Los Angeles River?

It is owned by the City or Municipal Highway Agency.