US Bridges

Harvest Ave over Gridley Drn

Fair

Los Angeles County, California · 0.2MI E/O Studebaker RD · Structure no. 53C1484

Built
1964
61 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
49 ft
2 main spans
Daily traffic
28,629
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Harvest Ave over Gridley Drn is a concrete culvert carrying Harvest Ave over Gridley Drn in Los Angeles County, California. It was built in 1964, so it is 61 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 6 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 28,629 vehicles a day, roughly 2% of them trucks, projected to reach 34,355 by 2045. The structure is 49 ft (14.8 m) long and 47 ft wide.

CarriesHarvest Ave
CrossesGridley Drn
Location0.2MI E/O Studebaker RD
RouteCity Street 0
Coordinates33.84324, -118.09168
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length49 ft (14.8 m)
Longest span24 ft (7.4 m)
Deck width47 ft (14.3 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,629 (2015)
Projected traffic34,355 by 2045
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
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 Harvest Ave over Gridley Drn built?

It was built in 1964, making it 61 years old in 2025.

What condition is Harvest Ave over Gridley Drn 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 January 2025.

How much traffic does Harvest Ave over Gridley Drn carry?

About 28,629 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is Harvest Ave over Gridley Drn?

The structure is 49 ft (14.8 m) long with a longest span of 24 ft (7.4 m) and a deck 47 ft wide.

Who owns Harvest Ave over Gridley Drn?

It is owned by the City or Municipal Highway Agency.