US Bridges

Holt Ave over Walnut Crk

Fair

Los Angeles County, California · 0.3MI W/O Grand Ave · Structure no. 53C0702

Built
1962
63 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
37 ft
1 main span
Daily traffic
4,119
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Holt Ave over Walnut Crk is a concrete slab carrying Holt Ave over Walnut Crk in Los Angeles County, California. It was built in 1962, so it is 63 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 4,119 vehicles a day, roughly 1% of them trucks, projected to reach 4,531 by 2043. The structure is 37 ft (11.4 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHolt Ave
CrossesWalnut Crk
Location0.3MI W/O Grand Ave
RouteCity Street 0Q940
CountyLos Angeles County
StateCalifornia
Coordinates34.07103, -117.87638
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 protection9 ExcellentNo problems noted.
Last inspectionNovember 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 rating41.1 US tons
Inventory rating31.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length37 ft (11.4 m)
Longest span34 ft (10.4 m)
Deck width51 ft (15.5 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,119 (2014)
Projected traffic4,531 by 2043
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 Holt Ave over Walnut Crk built?

It was built in 1962, making it 63 years old in 2025.

What condition is Holt Ave over Walnut Crk 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 November 2023.

How much traffic does Holt Ave over Walnut Crk carry?

About 4,119 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is Holt Ave over Walnut Crk?

The structure is 37 ft (11.4 m) long with a longest span of 34 ft (10.4 m) and a deck 51 ft wide.

Who owns Holt Ave over Walnut Crk?

It is owned by the City or Municipal Highway Agency.