US Bridges

Main ST over Torrance Lateral Br

Fair

Los Angeles County, California · 0.1MI N/O Carson ST · Structure no. 53C1468

Built
1962
63 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
47 ft
3 main spans
Daily traffic
18,344
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Main ST over Torrance Lateral Br is a concrete culvert carrying Main ST over Torrance Lateral Br in Los Angeles County, California. It was built in 1962, 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 18,344 vehicles a day, roughly 2% of them trucks, projected to reach 22,013 by 2043. The structure is 47 ft (14.3 m) long and 92 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMain ST
CrossesTorrance Lateral Br
Location0.1MI N/O Carson ST
RouteCity Street 0L043
Coordinates33.84455, -118.27989
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span15 ft (4.6 m)
Deck width92 ft (27.9 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,344 (2014)
Projected traffic22,013 by 2043
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Main ST over Torrance Lateral Br built?

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

What condition is Main ST over Torrance Lateral Br in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does Main ST over Torrance Lateral Br carry?

About 18,344 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is Main ST over Torrance Lateral Br?

The structure is 47 ft (14.3 m) long with a longest span of 15 ft (4.6 m) and a deck 92 ft wide.

Who owns Main ST over Torrance Lateral Br?

It is owned by the City or Municipal Highway Agency.