US Bridges

Interstate 110 over Dominguez Channel

Fair

Los Angeles County, California · 07-LA-110-9.13-LA · Structure no. 53 1213

Built
1960
65 years old, rebuilt 1985
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
311 ft
3 main spans
Daily traffic
273,760
2022 count
Owner
State
State Highway Agency

About this bridge

Interstate 110 over Dominguez Channel is a prestressed concrete continuous stringer/multi-beam or girder carrying Interstate 110 over Dominguez Channel in Los Angeles County, California. It was built in 1960 and reconstructed in 1985, so it is 65 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 273,760 vehicles a day, roughly 6% of them trucks, projected to reach 299,229 by 2044. The structure is 311 ft (94.8 m) long and 165 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesInterstate 110
CrossesDominguez Channel
Location07-LA-110-9.13-LA
RouteInterstate 110
CountyLos Angeles County
StateCalifornia
Coordinates33.86188, -118.28475
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating11.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length311 ft (94.8 m)
Longest span104 ft (31.7 m)
Deck width165 ft (50.4 m)
Roadway width160 ft (48.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic273,760 (2022)
Projected traffic299,229 by 2044
Trucks6%
Lanes on structure10
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Interstate 110 over Dominguez Channel built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1985.

What condition is Interstate 110 over Dominguez 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 April 2024.

How much traffic does Interstate 110 over Dominguez Channel carry?

About 273,760 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Interstate 110 over Dominguez Channel?

The structure is 311 ft (94.8 m) long with a longest span of 104 ft (31.7 m) and a deck 165 ft wide.

Who owns Interstate 110 over Dominguez Channel?

It is owned by the State Highway Agency.