US Bridges

Walnut Grove Ave over Rubio Wash

Fair

Los Angeles County, California · 0.5MI W/O Rsmd Blvd · Structure no. 53C0787

Built
1963
62 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
105 ft
1 main span
Daily traffic
23,683
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Walnut Grove Ave over Rubio Wash is a steel stringer/multi-beam or girder carrying Walnut Grove Ave over Rubio Wash 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 23,683 vehicles a day, roughly 2% of them trucks, projected to reach 28,419 by 2041. The structure is 105 ft (32 m) long and 76 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesWalnut Grove Ave
CrossesRubio Wash
Location0.5MI W/O Rsmd Blvd
RouteCity Street 0Q501
CountyLos Angeles County
StateCalifornia
Coordinates34.07857, -118.08192
Functional classUrban Minor 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMarch 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length105 ft (32 m)
Longest span93 ft (28.3 m)
Deck width76 ft (23.2 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,683 (2017)
Projected traffic28,419 by 2041
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Walnut Grove Ave over Rubio Wash built?

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

What condition is Walnut Grove Ave over Rubio Wash 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 March 2023.

How much traffic does Walnut Grove Ave over Rubio Wash carry?

About 23,683 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Walnut Grove Ave over Rubio Wash?

The structure is 105 ft (32 m) long with a longest span of 93 ft (28.3 m) and a deck 76 ft wide.

Who owns Walnut Grove Ave over Rubio Wash?

It is owned by the City or Municipal Highway Agency.