US Bridges

Bloomfield Ave over Storm Drn #21

Good

Los Angeles County, California · 0.3MI N/O Del Amo Blvd · Structure no. 53C1475

Built
1962
63 years old, rebuilt 1976
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
39 ft
3 main spans
Daily traffic
21,640
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bloomfield Ave over Storm Drn #21 is a concrete culvert carrying Bloomfield Ave over Storm Drn #21 in Los Angeles County, California. It was built in 1962 and reconstructed in 1976, so it is 63 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 21,640 vehicles a day, roughly 2% of them trucks, projected to reach 27,575 by 2043. The structure is 39 ft (11.9 m) long and 101 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesBloomfield Ave
CrossesStorm Drn #21
Location0.3MI N/O Del Amo Blvd
RouteCity Street 0L678
Coordinates33.84903, -118.0633
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
Channel and channel protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span10 ft (3 m)
Deck width101 ft (30.7 m)
Roadway width67 ft (20.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,640 (2018)
Projected traffic27,575 by 2043
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Bloomfield Ave over Storm Drn #21 built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1976.

What condition is Bloomfield Ave over Storm Drn #21 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 May 2024.

How much traffic does Bloomfield Ave over Storm Drn #21 carry?

About 21,640 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is Bloomfield Ave over Storm Drn #21?

The structure is 39 ft (11.9 m) long with a longest span of 10 ft (3 m) and a deck 101 ft wide.

Who owns Bloomfield Ave over Storm Drn #21?

It is owned by the City or Municipal Highway Agency.