US Bridges

Route 105 & Lrt over Dominguez Channel

Good

Los Angeles County, California · 07-LA-105-R4.16-ING · Structure no. 53 2518

Built
1993
32 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
167 ft
1 main span
Daily traffic
107,100
2014 count
Owner
State
State Highway Agency

About this bridge

Route 105 & Lrt over Dominguez Channel is a prestressed concrete box beam or girders - multiple carrying Route 105 & Lrt over Dominguez Channel in Los Angeles County, California. It was built in 1993, so it is 32 years old, younger 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 107,100 vehicles a day, roughly 4% of them trucks, projected to reach 256,839 by 2042. The structure is 167 ft (50.9 m) long and 206 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 105 & Lrt
CrossesDominguez Channel
Location07-LA-105-R4.16-ING
RouteInterstate 105
Coordinates33.92508, -118.33651
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length167 ft (50.9 m)
Longest span167 ft (50.9 m)
Deck width206 ft (62.8 m)
Roadway width166 ft (50.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic107,100 (2014)
Projected traffic256,839 by 2042
Trucks4%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway and railroad
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 statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 105 & Lrt over Dominguez Channel built?

It was built in 1993, making it 32 years old in 2025.

What condition is Route 105 & Lrt over Dominguez Channel 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 May 2024.

How much traffic does Route 105 & Lrt over Dominguez Channel carry?

About 107,100 vehicles per day (2014 count), of which roughly 4% are trucks.

How long is Route 105 & Lrt over Dominguez Channel?

The structure is 167 ft (50.9 m) long with a longest span of 167 ft (50.9 m) and a deck 206 ft wide.

Who owns Route 105 & Lrt over Dominguez Channel?

It is owned by the State Highway Agency.