US Bridges

Workman Ave over Charter Oak Wash

Good

Los Angeles County, California · 0.3MI W/O Barranca Ave · Structure no. 53C1750

Built
1966
59 years old
Condition
Good
inspected September 2021
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
10,035
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

Workman Ave over Charter Oak Wash is a concrete culvert carrying Workman Ave over Charter Oak Wash in Los Angeles County, California. It was built in 1966, so it is 59 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 10,035 vehicles a day, roughly 1% of them trucks, projected to reach 11,540 by 2041. The structure is 24 ft (7.3 m) long and 75 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWorkman Ave
CrossesCharter Oak Wash
Location0.3MI W/O Barranca Ave
RouteCity Street 0Q951
Coordinates34.07526, -117.88713
Functional classUrban Collector

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 inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span16 ft (4.9 m)
Deck width75 ft (23 m)
Roadway width59 ft (18.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,035 (2012)
Projected traffic11,540 by 2041
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 Workman Ave over Charter Oak Wash built?

It was built in 1966, making it 59 years old in 2025.

What condition is Workman Ave over Charter Oak 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 September 2021.

How much traffic does Workman Ave over Charter Oak Wash carry?

About 10,035 vehicles per day (2012 count), of which roughly 1% are trucks.

How long is Workman Ave over Charter Oak Wash?

The structure is 24 ft (7.3 m) long with a longest span of 16 ft (4.9 m) and a deck 75 ft wide.

Who owns Workman Ave over Charter Oak Wash?

It is owned by the City or Municipal Highway Agency.