US Bridges

Osborne ST over Pacoima Wash Div Channel

Good

Los Angeles County, California · 0.1 MI SW Arleta Ave · Structure no. 53C0572

Built
1954
71 years old, rebuilt 1979
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
82 ft
1 main span
Daily traffic
35,426
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Osborne ST over Pacoima Wash Div Channel is a steel stringer/multi-beam or girder carrying Osborne ST over Pacoima Wash Div Channel in Los Angeles County, California. It was built in 1954 and reconstructed in 1979, so it is 71 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 35,426 vehicles a day, roughly 3% of them trucks, projected to reach 43,670 by 2043. The structure is 82 ft (25 m) long and 99 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOsborne ST
CrossesPacoima Wash Div Channel
Location0.1 MI SW Arleta Ave
RouteCity Street 0
Coordinates34.2408, -118.42762
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.3 US tons
Inventory rating38.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length82 ft (25 m)
Longest span78 ft (23.8 m)
Deck width99 ft (30.1 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,426 (2020)
Projected traffic43,670 by 2043
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Osborne ST over Pacoima Wash Div Channel built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1979.

What condition is Osborne ST over Pacoima Wash Div Channel 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 January 2023.

How much traffic does Osborne ST over Pacoima Wash Div Channel carry?

About 35,426 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Osborne ST over Pacoima Wash Div Channel?

The structure is 82 ft (25 m) long with a longest span of 78 ft (23.8 m) and a deck 99 ft wide.

Who owns Osborne ST over Pacoima Wash Div Channel?

It is owned by the City or Municipal Highway Agency.