US Bridges

Williams Ave. over Live Oak Cyn. Channel

Good

Los Angeles County, California · 0.5MI N/O Foothill Blvd · Structure no. 53C2336

Built
1914
111 years old, rebuilt 1991
Condition
Good
inspected June 2024
Type
Slab
Concrete
Length
33 ft
1 main span
Daily traffic
204
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Williams Ave. over Live Oak Cyn. Channel is a concrete slab carrying Williams Ave. over Live Oak Cyn. Channel in Los Angeles County, California. It was built in 1914 and reconstructed in 1991, so it is 111 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 204 vehicles a day, roughly 2% of them trucks, projected to reach 204 by 2043. The structure is 33 ft (10.1 m) long and 59 ft wide.

Location

Open in Google Maps
CarriesWilliams Ave.
CrossesLive Oak Cyn. Channel
Location0.5MI N/O Foothill Blvd
RouteCity Street 0
CountyLos Angeles County
StateCalifornia
Coordinates34.11793, -117.75067
Functional classUrban Local

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 inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating33.6 US tons
Inventory rating26.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span32 ft (9.9 m)
Deck width59 ft (18.1 m)
Roadway width46 ft (14.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic204 (2017)
Projected traffic204 by 2043
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 Williams Ave. over Live Oak Cyn. Channel built?

It was built in 1914, making it 111 years old in 2025. It was reconstructed in 1991.

What condition is Williams Ave. over Live Oak Cyn. Channel 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 June 2024.

How much traffic does Williams Ave. over Live Oak Cyn. Channel carry?

About 204 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Williams Ave. over Live Oak Cyn. Channel?

The structure is 33 ft (10.1 m) long with a longest span of 32 ft (9.9 m) and a deck 59 ft wide.

Who owns Williams Ave. over Live Oak Cyn. Channel?

It is owned by the City or Municipal Highway Agency.