US Bridges

Garey Ave over Thompson Crk

Fair

Los Angeles County, California · 0.3MI N/O Foothill Blvd · Structure no. 53C0505

Built
1965
60 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
144 ft
1 main span
Daily traffic
16,100
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Garey Ave over Thompson Crk is a concrete slab carrying Garey Ave over Thompson Crk in Los Angeles County, California. It was built in 1965, so it is 60 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 16,100 vehicles a day, roughly 1% of them trucks, projected to reach 22,298 by 2041. The structure is 144 ft (44 m) long and 141 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesGarey Ave
CrossesThompson Crk
Location0.3MI N/O Foothill Blvd
RouteCity Street 0L645
CountyLos Angeles County
StateCalifornia
Coordinates34.11095, -117.74843
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating41.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length144 ft (44 m)
Longest span33 ft (10.1 m)
Deck width141 ft (43 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,100 (2017)
Projected traffic22,298 by 2041
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 Garey Ave over Thompson Crk built?

It was built in 1965, making it 60 years old in 2025.

What condition is Garey Ave over Thompson 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 October 2023.

How much traffic does Garey Ave over Thompson Crk carry?

About 16,100 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Garey Ave over Thompson Crk?

The structure is 144 ft (44 m) long with a longest span of 33 ft (10.1 m) and a deck 141 ft wide.

Who owns Garey Ave over Thompson Crk?

It is owned by the City or Municipal Highway Agency.