US Bridges

Maple ST over Eaton Wash

Good

Los Angeles County, California · 0.1MI N/O Foothill Blvd · Structure no. 53C0796

Built
1972
53 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
52 ft
1 main span
Daily traffic
1,530
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Maple ST over Eaton Wash is a concrete culvert carrying Maple ST 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 1,530 vehicles a day, roughly 2% of them trucks, projected to reach 1,683 by 2044. The structure is 52 ft (16 m) long and 92 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMaple ST
CrossesEaton Wash
Location0.1MI N/O Foothill Blvd
RouteCity Street 0Q846
Coordinates34.15086, -118.0887
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 inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 width92 ft (28 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,530 (2014)
Projected traffic1,683 by 2044
Trucks2%
Lanes on structure2
Traffic directionOne-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 Maple ST over Eaton Wash built?

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

What condition is Maple ST 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 July 2024.

How much traffic does Maple ST over Eaton Wash carry?

About 1,530 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is Maple ST over Eaton Wash?

The structure is 52 ft (16 m) long with a longest span of 44 ft (13.4 m) and a deck 92 ft wide.

Who owns Maple ST over Eaton Wash?

It is owned by the City or Municipal Highway Agency.