US Bridges

Grand Ave over San Antonio Wash

Fair

Los Angeles County, California · 0.2MI W/O E End Ave · Structure no. 53C1610

Built
1962
63 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete
Length
37 ft
1 main span
Daily traffic
4,267
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Grand Ave over San Antonio Wash is a concrete slab carrying Grand Ave over San Antonio Wash 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 4,267 vehicles a day, roughly 2% of them trucks, projected to reach 4,694 by 2041. The structure is 37 ft (11.3 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesGrand Ave
CrossesSan Antonio Wash
Location0.2MI W/O E End Ave
RouteCity Street 0
CountyLos Angeles County
StateCalifornia
Coordinates34.04838, -117.7252
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 inspectionDecember 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length37 ft (11.3 m)
Longest span35 ft (10.7 m)
Deck width56 ft (17.1 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,267 (2017)
Projected traffic4,694 by 2041
Trucks2%
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 Grand Ave over San Antonio Wash built?

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

What condition is Grand Ave over San Antonio 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 December 2023.

How much traffic does Grand Ave over San Antonio Wash carry?

About 4,267 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Grand Ave over San Antonio Wash?

The structure is 37 ft (11.3 m) long with a longest span of 35 ft (10.7 m) and a deck 56 ft wide.

Who owns Grand Ave over San Antonio Wash?

It is owned by the City or Municipal Highway Agency.