US Bridges

Interstate 110 over Wilmington Channel

Fair

Los Angeles County, California · 07-LA-110-4.77-LA · Structure no. 53 1526

Built
1962
63 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
221 ft
4 main spans
Daily traffic
199,500
2022 count
Owner
State
State Highway Agency

About this bridge

Interstate 110 over Wilmington Channel is a concrete continuous box beam or girders - multiple carrying Interstate 110 over Wilmington Channel 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 199,500 vehicles a day, roughly 6% of them trucks, projected to reach 244,164 by 2046. The structure is 221 ft (67.4 m) long and 137 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesInterstate 110
CrossesWilmington Channel
Location07-LA-110-4.77-LA
RouteInterstate 110
CountyLos Angeles County
StateCalifornia
Coordinates33.79929, -118.28787
Functional classUrban Principal Arterial - Interstate

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.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.3 US tons
Inventory rating26.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length221 ft (67.4 m)
Longest span66 ft (20.1 m)
Deck width137 ft (41.7 m)
Roadway width132 ft (40.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic199,500 (2022)
Projected traffic244,164 by 2046
Trucks6%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Interstate 110 over Wilmington Channel built?

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

What condition is Interstate 110 over Wilmington Channel 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 Interstate 110 over Wilmington Channel carry?

About 199,500 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Interstate 110 over Wilmington Channel?

The structure is 221 ft (67.4 m) long with a longest span of 66 ft (20.1 m) and a deck 137 ft wide.

Who owns Interstate 110 over Wilmington Channel?

It is owned by the State Highway Agency.