US Bridges

Mulberry DR over Leffingwell Crk

Good

Los Angeles County, California · 0.5MI W/O LA Mirada Blvd · Structure no. 53C0830

Built
1970
55 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete
Length
51 ft
1 main span
Daily traffic
28,620
2014 count
Owner
County
County Highway Agency

About this bridge

Mulberry DR over Leffingwell Crk is a concrete culvert carrying Mulberry DR over Leffingwell Crk in Los Angeles County, California. It was built in 1970, so it is 55 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 28,620 vehicles a day, roughly 3% of them trucks, projected to reach 34,344 by 2042. The structure is 51 ft (15.5 m) long and 100 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMulberry DR
CrossesLeffingwell Crk
Location0.5MI W/O LA Mirada Blvd
RouteCounty Highway 0L125
Coordinates33.93756, -118.02022
Functional classUrban Other Principal Arterial

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 inspectionOctober 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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span25 ft (7.6 m)
Deck width100 ft (30.6 m)
Roadway width70 ft (21.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,620 (2014)
Projected traffic34,344 by 2042
Trucks3%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 Mulberry DR over Leffingwell Crk built?

It was built in 1970, making it 55 years old in 2025.

What condition is Mulberry DR over Leffingwell 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 October 2021.

How much traffic does Mulberry DR over Leffingwell Crk carry?

About 28,620 vehicles per day (2014 count), of which roughly 3% are trucks.

How long is Mulberry DR over Leffingwell Crk?

The structure is 51 ft (15.5 m) long with a longest span of 25 ft (7.6 m) and a deck 100 ft wide.

Who owns Mulberry DR over Leffingwell Crk?

It is owned by the County Highway Agency.