US Bridges

Workman Mill RD over Sdbi 528

Good

Los Angeles County, California · 0.1MI S/O Valley Blvd · Structure no. 53C1891

Built
1986
39 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
21,306
2017 count
Owner
County
County Highway Agency

About this bridge

Workman Mill RD over Sdbi 528 is a concrete slab carrying Workman Mill RD over Sdbi 528 in Los Angeles County, California. It was built in 1986, so it is 39 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 21,306 vehicles a day, roughly 3% of them trucks, projected to reach 25,567 by 2043. The structure is 26 ft (7.9 m) long and 190 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWorkman Mill RD
CrossesSdbi 528
Location0.1MI S/O Valley Blvd
RouteCounty Highway 0L094
Coordinates34.04356, -117.98987
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating84.7 US tons
Inventory rating50.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span22 ft (6.7 m)
Deck width190 ft (58 m)
Roadway width187 ft (57 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,306 (2017)
Projected traffic25,567 by 2043
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Workman Mill RD over Sdbi 528 built?

It was built in 1986, making it 39 years old in 2025.

What condition is Workman Mill RD over Sdbi 528 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 October 2024.

How much traffic does Workman Mill RD over Sdbi 528 carry?

About 21,306 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Workman Mill RD over Sdbi 528?

The structure is 26 ft (7.9 m) long with a longest span of 22 ft (6.7 m) and a deck 190 ft wide.

Who owns Workman Mill RD over Sdbi 528?

It is owned by the County Highway Agency.