US Bridges

Foothill Blvd over Eaton Wash

Good

Los Angeles County, California · E/O San Gabriel Blvd · Structure no. 53C0765

Built
1972
53 years old
Condition
Good
inspected June 2022
Type
Culvert
Concrete
Length
52 ft
1 main span
Daily traffic
21,012
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Foothill Blvd over Eaton Wash is a concrete culvert carrying Foothill Blvd over Eaton Wash in Los Angeles County, California. It was built in 1972, so it is 53 years old, younger 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 21,012 vehicles a day, roughly 4% of them trucks, projected to reach 25,214 by 2042. The structure is 52 ft (16 m) long and 101 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFoothill Blvd
CrossesEaton Wash
LocationE/O San Gabriel Blvd
RouteCity Street 0L718
Coordinates34.14988, -118.08882
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
Channel and channel protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2022
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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length52 ft (16 m)
Longest span44 ft (13.4 m)
Deck width101 ft (30.7 m)
Roadway width73 ft (22.1 m)
Vertical clearance over deck16 ft (5 m)

Traffic and service

Average daily traffic21,012 (2014)
Projected traffic25,214 by 2042
Trucks4%
Lanes on structure4
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 Foothill Blvd over Eaton Wash built?

It was built in 1972, making it 53 years old in 2025.

What condition is Foothill Blvd over Eaton Wash 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 2022.

How much traffic does Foothill Blvd over Eaton Wash carry?

About 21,012 vehicles per day (2014 count), of which roughly 4% are trucks.

How long is Foothill Blvd over Eaton Wash?

The structure is 52 ft (16 m) long with a longest span of 44 ft (13.4 m) and a deck 101 ft wide.

Who owns Foothill Blvd over Eaton Wash?

It is owned by the City or Municipal Highway Agency.