US Bridges

Grove ST over Thompson Crk

Good

Los Angeles County, California · 0.3MI W/O Garey Ave · Structure no. 53C1482

Built
1965
60 years old
Condition
Good
inspected November 2021
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
1,500
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Grove ST over Thompson Crk is a concrete slab carrying Grove ST 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,500 vehicles a day, roughly 1% of them trucks, projected to reach 2,015 by 2041. The structure is 23 ft (7 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesGrove ST
CrossesThompson Crk
Location0.3MI W/O Garey Ave
RouteCity Street 0QP68
Coordinates34.10326, -117.75296
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width52 ft (15.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2013)
Projected traffic2,015 by 2041
Trucks1%
Lanes on structure2
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

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 Grove ST over Thompson Crk built?

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

What condition is Grove ST over Thompson Crk in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2021.

How much traffic does Grove ST over Thompson Crk carry?

About 1,500 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Grove ST over Thompson Crk?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 52 ft wide.

Who owns Grove ST over Thompson Crk?

It is owned by the City or Municipal Highway Agency.