US Bridges

Carson Street over I-110

Fair

Los Angeles County, California · 07-LA-110-7.02-LA · Structure no. 53 0963

Built
1962
63 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
225 ft
4 main spans
Daily traffic
39,000
2020 count
Owner
State
State Highway Agency

About this bridge

Carson Street over I-110 is a concrete continuous box beam or girders - multiple carrying Carson Street over I-110 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 5 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 39,000 vehicles a day, roughly 1% of them trucks, projected to reach 46,622 by 2046. The structure is 225 ft (68.6 m) long and 94 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCarson Street
CrossesI-110
Location07-LA-110-7.02-LA
RouteCounty Highway 0L031
Coordinates33.8315, -118.28774
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27.9 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length225 ft (68.6 m)
Longest span70 ft (21.3 m)
Deck width94 ft (28.7 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,000 (2020)
Projected traffic46,622 by 2046
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Carson Street over I-110 built?

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

What condition is Carson Street over I-110 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 March 2024.

How much traffic does Carson Street over I-110 carry?

About 39,000 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Carson Street over I-110?

The structure is 225 ft (68.6 m) long with a longest span of 70 ft (21.3 m) and a deck 94 ft wide.

Who owns Carson Street over I-110?

It is owned by the State Highway Agency.