US Bridges

Carson ST over Artesia-Norwalk Storm Dn

Good

Los Angeles County, California · 0.5MI E/O I-605 Fwy · Structure no. 53C0423

Built
1955
70 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
16,892
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Carson ST over Artesia-Norwalk Storm Dn is a concrete culvert carrying Carson ST over Artesia-Norwalk Storm Dn in Los Angeles County, California. It was built in 1955, so it is 70 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 16,892 vehicles a day, roughly 5% of them trucks, projected to reach 20,270 by 2043. The structure is 23 ft (7 m) long and 108 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCarson ST
CrossesArtesia-Norwalk Storm Dn
Location0.5MI E/O I-605 Fwy
RouteCity Street 0L031
CountyLos Angeles County
StateCalifornia
Coordinates33.83132, -118.07499
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 2023
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 adequacy7: Better than present minimum 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 spans2
Design loadUnknown
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width108 ft (32.8 m)
Roadway width69 ft (20.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,892 (2014)
Projected traffic20,270 by 2043
Trucks5%
Lanes on structure4
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 Carson ST over Artesia-Norwalk Storm Dn built?

It was built in 1955, making it 70 years old in 2025.

What condition is Carson ST over Artesia-Norwalk Storm Dn 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 2023.

How much traffic does Carson ST over Artesia-Norwalk Storm Dn carry?

About 16,892 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is Carson ST over Artesia-Norwalk Storm Dn?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 108 ft wide.

Who owns Carson ST over Artesia-Norwalk Storm Dn?

It is owned by the City or Municipal Highway Agency.