US Bridges

Workman Mill RD over San Jose Crk

Good

Los Angeles County, California · 0.3MI N/O SR-60 Fwy · Structure no. 53C0320

Built
1952
73 years old, rebuilt 1983
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
415 ft
7 main spans
Daily traffic
30,070
2017 count
Owner
County
County Highway Agency

About this bridge

Workman Mill RD over San Jose Crk is a concrete continuous stringer/multi-beam or girder carrying Workman Mill RD over San Jose Crk in Los Angeles County, California. It was built in 1952 and reconstructed in 1983, so it is 73 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 30,070 vehicles a day, roughly 2% of them trucks, projected to reach 36,084 by 2043. The structure is 415 ft (126.5 m) long and 66 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesWorkman Mill RD
CrossesSan Jose Crk
Location0.3MI N/O SR-60 Fwy
RouteCounty Highway 0L094
Coordinates34.03324, -118.01787
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 alignment7: Better than present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadUnknown
Structure length415 ft (126.5 m)
Longest span59 ft (18 m)
Deck width66 ft (20.1 m)
Roadway width56 ft (17.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,070 (2017)
Projected traffic36,084 by 2043
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Mill RD over San Jose Crk built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1983.

What condition is Workman Mill RD over San Jose 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 2024.

How much traffic does Workman Mill RD over San Jose Crk carry?

About 30,070 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Workman Mill RD over San Jose Crk?

The structure is 415 ft (126.5 m) long with a longest span of 59 ft (18 m) and a deck 66 ft wide.

Who owns Workman Mill RD over San Jose Crk?

It is owned by the County Highway Agency.