US Bridges

Rockvale Ave over Little Dalton Wash

Fair

Los Angeles County, California · 0.1MI S/O Alosta Blvd · Structure no. 53C1446

Built
1961
64 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
30 ft
1 main span
Daily traffic
1,273
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Rockvale Ave over Little Dalton Wash is a concrete slab carrying Rockvale 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 1,273 vehicles a day, roughly 1% of them trucks, projected to reach 1,400 by 2044. The structure is 30 ft (9.2 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRockvale Ave
CrossesLittle Dalton Wash
Location0.1MI S/O Alosta Blvd
RouteCity Street 0QP38
CountyLos Angeles County
StateCalifornia
Coordinates34.13066, -117.89616
Functional classUrban Collector

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 protection8 Very GoodNo problems noted.
Last inspectionApril 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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.3 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.2 m)
Longest span27 ft (8.2 m)
Deck width52 ft (16 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,273 (2014)
Projected traffic1,400 by 2044
Trucks1%
Lanes on structure2
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 Rockvale Ave over Little Dalton Wash built?

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

What condition is Rockvale 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 April 2024.

How much traffic does Rockvale Ave over Little Dalton Wash carry?

About 1,273 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is Rockvale Ave over Little Dalton Wash?

The structure is 30 ft (9.2 m) long with a longest span of 27 ft (8.2 m) and a deck 52 ft wide.

Who owns Rockvale Ave over Little Dalton Wash?

It is owned by the City or Municipal Highway Agency.