US Bridges

147th ST over Dominguez Chan

Fair

Los Angeles County, California · 0.3MI W/O Crenshaw Blvd · Structure no. 53C1556

Built
1974
51 years old
Condition
Fair
inspected September 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
127 ft
2 main spans
Daily traffic
3,535
2012 count
Owner
County
County Highway Agency

About this bridge

147th ST over Dominguez Chan is a prestressed concrete stringer/multi-beam or girder carrying 147th ST over Dominguez Chan in Los Angeles County, California. It was built in 1974, so it is 51 years old, younger 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 3,535 vehicles a day, roughly 1% of them trucks, projected to reach 3,889 by 2041. The structure is 127 ft (38.7 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries147th ST
CrossesDominguez Chan
Location0.3MI W/O Crenshaw Blvd
RouteCounty Highway 0WR56
CountyLos Angeles County
StateCalifornia
Coordinates33.89822, -118.33053
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.3 US tons
Inventory rating55 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length127 ft (38.7 m)
Longest span62 ft (18.9 m)
Deck width57 ft (17.5 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,535 (2012)
Projected traffic3,889 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 147th ST over Dominguez Chan built?

It was built in 1974, making it 51 years old in 2025.

What condition is 147th ST over Dominguez Chan 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 September 2021.

How much traffic does 147th ST over Dominguez Chan carry?

About 3,535 vehicles per day (2012 count), of which roughly 1% are trucks.

How long is 147th ST over Dominguez Chan?

The structure is 127 ft (38.7 m) long with a longest span of 62 ft (18.9 m) and a deck 57 ft wide.

Who owns 147th ST over Dominguez Chan?

It is owned by the County Highway Agency.