US Bridges

Lark Ellen Ave over Little Dalton Wash

Fair

Los Angeles County, California · 0.4MI N/O Arrow HWY · Structure no. 53C1437

Built
1961
64 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
55 ft
1 main span
Daily traffic
5,717
2017 count
Owner
County
County Highway Agency

About this bridge

Lark Ellen Ave over Little Dalton Wash is a concrete slab carrying Lark Ellen Ave over Little Dalton Wash in Los Angeles County, California. It was built in 1961, so it is 64 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 5,717 vehicles a day, roughly 1% of them trucks, projected to reach 6,574 by 2043. The structure is 55 ft (16.8 m) long and 72 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLark Ellen Ave
CrossesLittle Dalton Wash
Location0.4MI N/O Arrow HWY
RouteCounty Highway 0Q915
Coordinates34.11151, -117.91632
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 inspectionJune 2024
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 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 rating80.4 US tons
Inventory rating48.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length55 ft (16.8 m)
Longest span30 ft (9.1 m)
Deck width72 ft (21.9 m)
Roadway width60 ft (18.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,717 (2017)
Projected traffic6,574 by 2043
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Lark Ellen Ave over Little Dalton Wash built?

It was built in 1961, making it 64 years old in 2025.

What condition is Lark Ellen Ave over Little Dalton 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 June 2024.

How much traffic does Lark Ellen Ave over Little Dalton Wash carry?

About 5,717 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Lark Ellen Ave over Little Dalton Wash?

The structure is 55 ft (16.8 m) long with a longest span of 30 ft (9.1 m) and a deck 72 ft wide.

Who owns Lark Ellen Ave over Little Dalton Wash?

It is owned by the County Highway Agency.