US Bridges

Alameda ST over Dominguez Chan

Fair

Los Angeles County, California · 0.8MI S/O I-405 Fwy · Structure no. 53C0641

Built
1959
66 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
201 ft
3 main spans
Daily traffic
30,800
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Alameda ST over Dominguez Chan is a prestressed concrete stringer/multi-beam or girder carrying Alameda ST over Dominguez Chan in Los Angeles County, California. It was built in 1959, so it is 66 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 30,800 vehicles a day, roughly 40% of them trucks, projected to reach 37,000 by 2044. The structure is 201 ft (61.4 m) long and 87 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesAlameda ST
CrossesDominguez Chan
Location0.8MI S/O I-405 Fwy
RouteCity Street 0L047
CountyLos Angeles County
StateCalifornia
Coordinates33.81504, -118.23187
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.7 US tons
Inventory rating42.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length201 ft (61.4 m)
Longest span65 ft (19.8 m)
Deck width87 ft (26.4 m)
Roadway width73 ft (22.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,800 (2014)
Projected traffic37,000 by 2044
Trucks40%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Alameda ST over Dominguez Chan built?

It was built in 1959, making it 66 years old in 2025.

What condition is Alameda 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 June 2024.

How much traffic does Alameda ST over Dominguez Chan carry?

About 30,800 vehicles per day (2014 count), of which roughly 40% are trucks.

How long is Alameda ST over Dominguez Chan?

The structure is 201 ft (61.4 m) long with a longest span of 65 ft (19.8 m) and a deck 87 ft wide.

Who owns Alameda ST over Dominguez Chan?

It is owned by the City or Municipal Highway Agency.