US Bridges

Vincent Ave over Big Dalton Wash

Fair

Los Angeles County, California · 0.5MI S/O Arrow HWY · Structure no. 53C0679

Built
1959
66 years old
Condition
Fair
inspected October 2023
Type
Frame
Concrete
Length
44 ft
1 main span
Daily traffic
13,838
2017 count
Owner
County
County Highway Agency

About this bridge

Vincent Ave over Big Dalton Wash is a concrete frame carrying Vincent Ave over Big Dalton Wash in Los Angeles County, California. It was built in 1959, so it is 66 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 13,838 vehicles a day, roughly 1% of them trucks, projected to reach 15,914 by 2041. The structure is 44 ft (13.4 m) long and 72 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesVincent Ave
CrossesBig Dalton Wash
Location0.5MI S/O Arrow HWY
RouteCounty Highway 0L378
CountyLos Angeles County
StateCalifornia
Coordinates34.09948, -117.92531
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 inspectionOctober 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 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 rating70.8 US tons
Inventory rating54.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span40 ft (12.2 m)
Deck width72 ft (21.9 m)
Roadway width60 ft (18.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,838 (2017)
Projected traffic15,914 by 2041
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 Vincent Ave over Big Dalton Wash built?

It was built in 1959, making it 66 years old in 2025.

What condition is Vincent Ave over Big 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 October 2023.

How much traffic does Vincent Ave over Big Dalton Wash carry?

About 13,838 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Vincent Ave over Big Dalton Wash?

The structure is 44 ft (13.4 m) long with a longest span of 40 ft (12.2 m) and a deck 72 ft wide.

Who owns Vincent Ave over Big Dalton Wash?

It is owned by the County Highway Agency.