US Bridges

Cameron Ave over Walnut Crk

Good

Los Angeles County, California · 300FT N/O Sunset Ave · Structure no. 53C0699

Built
1962
63 years old
Condition
Good
inspected November 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
58 ft
1 main span
Daily traffic
15,158
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cameron Ave over Walnut Crk is a prestressed concrete box beam or girders - multiple carrying Cameron Ave over Walnut Crk 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 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 15,158 vehicles a day, roughly 1% of them trucks, projected to reach 18,190 by 2042. The structure is 58 ft (17.7 m) long and 74 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCameron Ave
CrossesWalnut Crk
Location300FT N/O Sunset Ave
RouteCity Street 0Q952
Coordinates34.06766, -117.94089
Functional classUrban Minor Arterial

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 rating80.4 US tons
Inventory rating47.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span56 ft (17.1 m)
Deck width74 ft (22.6 m)
Roadway width64 ft (19.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,158 (2014)
Projected traffic18,190 by 2042
Trucks1%
Lanes on structure4
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 Cameron Ave over Walnut Crk built?

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

What condition is Cameron Ave over Walnut 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 Cameron Ave over Walnut Crk carry?

About 15,158 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is Cameron Ave over Walnut Crk?

The structure is 58 ft (17.7 m) long with a longest span of 56 ft (17.1 m) and a deck 74 ft wide.

Who owns Cameron Ave over Walnut Crk?

It is owned by the City or Municipal Highway Agency.