US Bridges

Longden Ave over Sawpit Wash

Good

Los Angeles County, California · 0.1MI E/O Peck RD · Structure no. 53C1412

Built
1950
75 years old
Condition
Good
inspected April 2021
Type
Slab
Concrete
Length
57 ft
1 main span
Daily traffic
16,799
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

Longden Ave over Sawpit Wash is a concrete slab carrying Longden Ave over Sawpit Wash in Los Angeles County, California. It was built in 1950, so it is 75 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 16,799 vehicles a day, roughly 2% of them trucks, projected to reach 20,159 by 2041. The structure is 57 ft (17.4 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLongden Ave
CrossesSawpit Wash
Location0.1MI E/O Peck RD
RouteCity Street 0Q497
CountyLos Angeles County
StateCalifornia
Coordinates34.11351, -118.00297
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating45.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span50 ft (15.2 m)
Deck width59 ft (17.9 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic16,799 (2012)
Projected traffic20,159 by 2041
Trucks2%
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 Longden Ave over Sawpit Wash built?

It was built in 1950, making it 75 years old in 2025.

What condition is Longden Ave over Sawpit 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 April 2021.

How much traffic does Longden Ave over Sawpit Wash carry?

About 16,799 vehicles per day (2012 count), of which roughly 2% are trucks.

How long is Longden Ave over Sawpit Wash?

The structure is 57 ft (17.4 m) long with a longest span of 50 ft (15.2 m) and a deck 59 ft wide.

Who owns Longden Ave over Sawpit Wash?

It is owned by the City or Municipal Highway Agency.