US Bridges

124th ST over Acta

Poor

Los Angeles County, California · 50FT E/O Alameda ST · Structure no. 53C2139

Built
2000
25 years old
Condition
Poor
inspected April 2023
Type
Tee Beam
Prestressed Concrete
Length
59 ft
1 main span
Daily traffic
2,336
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

124th ST over Acta is a prestressed concrete tee beam carrying 124th ST over Acta in Los Angeles County, California. It was built in 2000, so it is 25 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,336 vehicles a day, roughly 24% of them trucks, projected to reach 2,570 by 2043. The structure is 59 ft (17.9 m) long and 80 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Carries124th ST
CrossesActa
Location50FT E/O Alameda ST
RouteCity Street 0
Coordinates33.91974, -118.22397
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.4 US tons
Inventory rating45.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length59 ft (17.9 m)
Longest span51 ft (15.5 m)
Deck width80 ft (24.4 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,336 (2013)
Projected traffic2,570 by 2043
Trucks24%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 124th ST over Acta built?

It was built in 2000, making it 25 years old in 2025.

What condition is 124th ST over Acta in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.

How much traffic does 124th ST over Acta carry?

About 2,336 vehicles per day (2013 count), of which roughly 24% are trucks.

How long is 124th ST over Acta?

The structure is 59 ft (17.9 m) long with a longest span of 51 ft (15.5 m) and a deck 80 ft wide.

Who owns 124th ST over Acta?

It is owned by the City or Municipal Highway Agency.